diff --git a/lang/zh_cn/timezones.php b/lang/zh_cn/timezones.php
deleted file mode 100644
index 5794122d02e..00000000000
--- a/lang/zh_cn/timezones.php
+++ /dev/null
@@ -1,375 +0,0 @@
-<?PHP // $Id$
-
-
-
-$string['africa/abidjan'] = '非洲/阿比让';
-$string['africa/accra'] = '非洲/阿克拉';
-$string['africa/addis_ababa'] = '非洲/亚的斯亚贝巴';
-$string['africa/algiers'] = '非洲/阿尔及尔';
-$string['africa/asmera'] = '非洲/Asmera';
-$string['africa/bamako'] = '非洲/巴马科';
-$string['africa/bangui'] = '非洲/班吉';
-$string['africa/banjul'] = '非洲/班珠尔';
-$string['africa/bissau'] = '非洲/比绍';
-$string['africa/blantyre'] = '非洲/Blantyre';
-$string['africa/brazzaville'] = '非洲/布拉扎维';
-$string['africa/bujumbura'] = '非洲/布琼布拉';
-$string['africa/cairo'] = '非洲/开罗';
-$string['africa/casablanca'] = '非洲/卡萨布兰卡';
-$string['africa/ceuta'] = '非洲/休达';
-$string['africa/conakry'] = '非洲/科纳克里';
-$string['africa/dakar'] = '非洲/达喀尔';
-$string['africa/dar_es_salaam'] = '非洲/达累斯萨拉姆';
-$string['africa/djibouti'] = '非洲/吉布提';
-$string['africa/douala'] = '非洲/杜阿拉';
-$string['africa/el_aaiun'] = '非洲/El_Aaiun';
-$string['africa/freetown'] = '非洲/弗里敦';
-$string['africa/gaborone'] = '非洲/哈博罗内';
-$string['africa/harare'] = '非洲/哈拉雷';
-$string['africa/johannesburg'] = '非洲/约翰内斯堡';
-$string['africa/kampala'] = '非洲/坎帕拉';
-$string['africa/khartoum'] = '非洲/喀土穆';
-$string['africa/kigali'] = '非洲/基加利';
-$string['africa/kinshasa'] = '非洲/金沙萨';
-$string['africa/lagos'] = '非洲/拉各斯';
-$string['africa/libreville'] = '非洲/利伯维尔';
-$string['africa/lome'] = '非洲/洛美';
-$string['africa/luanda'] = '非洲/罗安达';
-$string['africa/lubumbashi'] = '非洲/卢本巴希';
-$string['africa/lusaka'] = '非洲/卢萨卡';
-$string['africa/malabo'] = '非洲/马拉博';
-$string['africa/maputo'] = '非洲/马普托';
-$string['africa/maseru'] = '非洲/马塞卢';
-$string['africa/mbabane'] = '非洲/姆巴巴纳';
-$string['africa/mogadishu'] = '非洲/摩加迪沙';
-$string['africa/monrovia'] = '非洲/蒙罗维亚';
-$string['africa/nairobi'] = '非洲/奈洛比';
-$string['africa/ndjamena'] = '非洲/恩贾梅纳';
-$string['africa/niamey'] = '非洲/尼亚美';
-$string['africa/nouakchott'] = '非洲/努瓦克肖特';
-$string['africa/ouagadougou'] = '非洲/瓦加杜古';
-$string['africa/porto-novo'] = '非洲/波多诺伏';
-$string['africa/sao_tome'] = '非洲/Sao_Tome';
-$string['africa/timbuktu'] = '非洲/Timbuktu';
-$string['africa/tripoli'] = '非洲/的黎波里';
-$string['africa/tunis'] = '非洲/突尼斯';
-$string['africa/windhoek'] = '非洲/温得和克';
-$string['america/adak'] = '美洲/Adak';
-$string['america/anchorage'] = '美洲/安克雷奇';
-$string['america/anguilla'] = '美洲/安圭拉岛';
-$string['america/antigua'] = '美洲/安提瓜岛';
-$string['america/araguaina'] = '美洲/Araguaina';
-$string['america/argentina/buenos_aires'] = '美洲/阿根廷/布宜诺斯艾利斯';
-$string['america/argentina/catamarca'] = '美洲/阿根廷/Catamarca';
-$string['america/argentina/comodrivadavia'] = '美洲/阿根廷/ComodRivadavia';
-$string['america/argentina/cordoba'] = '美洲/阿根廷/科尔多瓦';
-$string['america/argentina/jujuy'] = '美洲/阿根廷/Jujuy';
-$string['america/argentina/la_rioja'] = '美洲/阿根廷/La_Rioja';
-$string['america/argentina/mendoza'] = '美洲/阿根廷/Mendoza';
-$string['america/argentina/rio_gallegos'] = '美洲/阿根廷/Rio_Gallegos';
-$string['america/argentina/san_juan'] = '美洲/阿根廷/圣胡安';
-$string['america/argentina/tucuman'] = '美洲/阿根廷/Tucuman';
-$string['america/argentina/ushuaia'] = '美洲/阿根廷/Ushuaia';
-$string['america/aruba'] = '美洲/阿鲁巴岛';
-$string['america/asuncion'] = '美洲/亚松森';
-$string['america/bahia'] = '美洲/Bahia';
-$string['america/barbados'] = '美洲/巴巴多斯';
-$string['america/belem'] = '美洲/Belem';
-$string['america/belize'] = '美洲/伯利兹';
-$string['america/boa_vista'] = '美洲/Boa_Vista';
-$string['america/bogota'] = '美洲/波哥大';
-$string['america/boise'] = '美洲/博伊西';
-$string['america/cambridge_bay'] = '美洲/Cambridge_Bay';
-$string['america/campo_grande'] = '美洲/Campo_Grande';
-$string['america/cancun'] = '美洲/Cancun';
-$string['america/caracas'] = '美洲/加拉加斯';
-$string['america/cayenne'] = '美洲/卡宴';
-$string['america/cayman'] = '美洲/Cayman';
-$string['america/chicago'] = '美洲/芝加哥';
-$string['america/chihuahua'] = '美洲/Chihuahua';
-$string['america/costa_rica'] = '美洲/哥斯达黎加';
-$string['america/cuiaba'] = '美洲/Cuiaba';
-$string['america/curacao'] = '美洲/Curacao';
-$string['america/danmarkshavn'] = '美洲/Danmarkshavn';
-$string['america/dawson'] = '美洲/道森';
-$string['america/dawson_creek'] = '美洲/Dawson_Creek';
-$string['america/denver'] = '美洲/丹佛';
-$string['america/detroit'] = '美洲/底特律';
-$string['america/dominica'] = '美洲/多米尼加';
-$string['america/edmonton'] = '美洲/埃德蒙顿';
-$string['america/eirunepe'] = '美洲/Eirunepe';
-$string['america/el_salvador'] = '美洲/萨尔瓦多';
-$string['america/fortaleza'] = '美洲/福塔雷萨';
-$string['america/glace_bay'] = '美洲/Glace_Bay';
-$string['america/godthab'] = '美洲/Godthab';
-$string['america/goose_bay'] = '美洲/Goose_Bay';
-$string['america/grand_turk'] = '美洲/Grand_Turk';
-$string['america/grenada'] = '美洲/格林纳达';
-$string['america/guadeloupe'] = '美洲/瓜德罗普岛';
-$string['america/guatemala'] = '美洲/危地马拉';
-$string['america/guayaquil'] = '美洲/瓜亚基尔';
-$string['america/guyana'] = '美洲/圭亚那';
-$string['america/halifax'] = '美洲/哈利法克斯';
-$string['america/havana'] = '美洲/哈瓦那';
-$string['america/hermosillo'] = '美洲/Hermosillo';
-$string['america/indiana/knox'] = '美洲/印第安纳/Knox';
-$string['america/indiana/marengo'] = '美洲/印第安纳/Marengo';
-$string['america/indiana/vevay'] = '美洲/印第安纳/Vevay';
-$string['america/indianapolis'] = '美洲/	印第安纳波利斯';
-$string['america/inuvik'] = '美洲/Inuvik';
-$string['america/iqaluit'] = '美洲/Iqaluit';
-$string['america/jamaica'] = '美洲/牙买加';
-$string['america/juneau'] = '美洲/朱诺';
-$string['america/kentucky/monticello'] = '美洲/肯塔基/Monticello';
-$string['america/la_paz'] = '美洲/拉巴斯';
-$string['america/lima'] = '美洲/利马';
-$string['america/los_angeles'] = '美洲/洛杉矶';
-$string['america/louisville'] = '美洲/路易斯维尔';
-$string['america/maceio'] = '美洲/Maceio';
-$string['america/managua'] = '美洲/马那瓜';
-$string['america/manaus'] = '美洲/Manaus';
-$string['america/martinique'] = '美洲/马提尼克岛';
-$string['america/mazatlan'] = '美洲/Mazatlan';
-$string['america/menominee'] = '美洲/Menominee';
-$string['america/merida'] = '美洲/Merida';
-$string['america/mexico_city'] = '美洲/墨西哥城';
-$string['america/miquelon'] = '美洲/密克隆岛';
-$string['america/monterrey'] = '美洲/蒙特雷';
-$string['america/montevideo'] = '美洲/蒙得维的亚';
-$string['america/montreal'] = '美洲/蒙特利尔';
-$string['america/montserrat'] = '美洲/蒙特塞拉特岛';
-$string['america/nassau'] = '美洲/拿骚';
-$string['america/new_york'] = '美洲/纽约';
-$string['america/nipigon'] = '美洲/Nipigon';
-$string['america/nome'] = '美洲/Nome';
-$string['america/noronha'] = '美洲/Noronha';
-$string['america/north_dakota/center'] = '美洲/北达科他/Center';
-$string['america/panama'] = '美洲/巴拿马';
-$string['america/pangnirtung'] = '美洲/Pangnirtung';
-$string['america/paramaribo'] = '美洲/帕拉马里博';
-$string['america/phoenix'] = '美洲/菲尼克斯';
-$string['america/port-au-prince'] = '美洲/太子港';
-$string['america/port_of_spain'] = '美洲/西班牙港';
-$string['america/porto_velho'] = '美洲/Porto_Velho';
-$string['america/puerto_rico'] = '美洲/波多黎各';
-$string['america/rainy_river'] = '美洲/Rainy_River';
-$string['america/rankin_inlet'] = '美洲/Rankin_Inlet';
-$string['america/recife'] = '美洲/累西腓';
-$string['america/regina'] = '美洲/Regina';
-$string['america/rio_branco'] = '美洲/Rio_Branco';
-$string['america/santiago'] = '美洲/圣地亚哥';
-$string['america/santo_domingo'] = '美洲/圣多明各';
-$string['america/sao_paulo'] = '美洲/Sao_Paulo';
-$string['america/scoresbysund'] = '美洲/Scoresbysund';
-$string['america/st_johns'] = '美洲/St_Johns';
-$string['america/st_kitts'] = '美洲/St_Kitts';
-$string['america/st_lucia'] = '美洲/St_Lucia';
-$string['america/st_thomas'] = '美洲/St_Thomas';
-$string['america/st_vincent'] = '美洲/St_Vincent';
-$string['america/swift_current'] = '美洲/Swift_Current';
-$string['america/tegucigalpa'] = '美洲/特古西加尔巴';
-$string['america/thule'] = '美洲/图勒';
-$string['america/thunder_bay'] = '美洲/Thunder_Bay';
-$string['america/tijuana'] = '美洲/提华纳';
-$string['america/toronto'] = '美洲/多伦多';
-$string['america/tortola'] = '美洲/托托拉岛';
-$string['america/vancouver'] = '美洲/范库弗峰';
-$string['america/whitehorse'] = '美洲/怀特霍斯';
-$string['america/winnipeg'] = '美洲/温尼伯';
-$string['america/yakutat'] = '美洲/Yakutat';
-$string['america/yellowknife'] = '美洲/耶洛奈夫';
-$string['antarctica/casey'] = '南极洲/Casey';
-$string['antarctica/davis'] = '南极洲/Davis';
-$string['antarctica/dumontdurville'] = '南极洲/DumontDUrville';
-$string['antarctica/mawson'] = '南极洲/Mawson';
-$string['antarctica/mcmurdo'] = '南极洲/McMurdo';
-$string['antarctica/palmer'] = '南极洲/Palmer';
-$string['antarctica/rothera'] = '南极洲/Rothera';
-$string['antarctica/syowa'] = '南极洲/Syowa';
-$string['antarctica/vostok'] = '南极洲/Vostok';
-$string['asia/aden'] = '亚洲/亚丁';
-$string['asia/almaty'] = '亚洲/Almaty';
-$string['asia/amman'] = '亚洲/安曼';
-$string['asia/anadyr'] = '亚洲/阿纳德尔';
-$string['asia/aqtau'] = '亚洲/Aqtau';
-$string['asia/aqtobe'] = '亚洲/Aqtobe';
-$string['asia/ashgabat'] = '亚洲/Ashgabat';
-$string['asia/baghdad'] = '亚洲/巴格达';
-$string['asia/bahrain'] = '亚洲/巴林岛';
-$string['asia/baku'] = '亚洲/巴库';
-$string['asia/bangkok'] = '亚洲/曼谷';
-$string['asia/beirut'] = '亚洲/贝鲁特';
-$string['asia/bishkek'] = '亚洲/Bishkek';
-$string['asia/brunei'] = '亚洲/文莱';
-$string['asia/calcutta'] = '亚洲/加尔各答';
-$string['asia/choibalsan'] = '亚洲/Choibalsan';
-$string['asia/chongqing'] = '亚洲/重庆';
-$string['asia/colombo'] = '亚洲/科伦坡';
-$string['asia/damascus'] = '亚洲/大马士革';
-$string['asia/dhaka'] = '亚洲/达卡';
-$string['asia/dili'] = '亚洲/Dili';
-$string['asia/dubai'] = '亚洲/迪拜';
-$string['asia/dushanbe'] = '亚洲/杜尚别';
-$string['asia/gaza'] = '亚洲/加沙';
-$string['asia/harbin'] = '亚洲/哈尔滨';
-$string['asia/hong_kong'] = '亚洲/香港';
-$string['asia/hovd'] = '亚洲/Hovd';
-$string['asia/irkutsk'] = '亚洲/伊尔库次克';
-$string['asia/jayapura'] = '亚洲/Jayapura';
-$string['asia/jerusalem'] = '亚洲/耶路撒冷';
-$string['asia/kabul'] = '亚洲/喀布尔';
-$string['asia/kamchatka'] = '亚洲/堪察加半岛';
-$string['asia/karachi'] = '亚洲/卡拉奇';
-$string['asia/kashgar'] = '亚洲/喀什葛尔';
-$string['asia/katmandu'] = '亚洲/加德满都';
-$string['asia/krasnoyarsk'] = '亚洲/Krasnoyarsk';
-$string['asia/kuala_lumpur'] = '亚洲/吉隆坡';
-$string['asia/kuching'] = '亚洲/古晋';
-$string['asia/kuwait'] = '亚洲/科威特';
-$string['asia/macau'] = '亚洲/澳门';
-$string['asia/magadan'] = '亚洲/Magadan';
-$string['asia/makassar'] = '亚洲/Makassar';
-$string['asia/manila'] = '亚洲/马尼拉';
-$string['asia/muscat'] = '亚洲/马斯喀特';
-$string['asia/nicosia'] = '亚洲/尼科西亚';
-$string['asia/novosibirsk'] = '亚洲/新西伯利亚';
-$string['asia/omsk'] = '亚洲/鄂木斯克';
-$string['asia/oral'] = '亚洲/Oral';
-$string['asia/phnom_penh'] = '亚洲/金边';
-$string['asia/pontianak'] = '亚洲/坤甸';
-$string['asia/pyongyang'] = '亚洲/平壤';
-$string['asia/qatar'] = '亚洲/卡塔尔';
-$string['asia/qyzylorda'] = '亚洲/Qyzylorda';
-$string['asia/rangoon'] = '亚洲/仰光';
-$string['asia/riyadh'] = '亚洲/利雅得';
-$string['asia/saigon'] = '亚洲/西贡';
-$string['asia/sakhalin'] = '亚洲/萨哈林岛';
-$string['asia/samarkand'] = '亚洲/撒马尔罕';
-$string['asia/seoul'] = '亚洲/索尔';
-$string['asia/shanghai'] = '亚洲/上海';
-$string['asia/singapore'] = '亚洲/新加坡';
-$string['asia/taipei'] = '亚洲/台北';
-$string['asia/tashkent'] = '亚洲/塔什干';
-$string['asia/tbilisi'] = '亚洲/第比利斯';
-$string['asia/tehran'] = '亚洲/德黑兰';
-$string['asia/thimphu'] = '亚洲/廷布';
-$string['asia/tokyo'] = '亚洲/东京';
-$string['asia/ulaanbaatar'] = '亚洲/Ulaanbaatar';
-$string['asia/urumqi'] = '亚洲/乌鲁木齐';
-$string['asia/vientiane'] = '亚洲/万象';
-$string['asia/vladivostok'] = '亚洲/海参崴';
-$string['asia/yakutsk'] = '亚洲/雅库茨克';
-$string['asia/yekaterinburg'] = '亚洲/Yekaterinburg';
-$string['asia/yerevan'] = '亚洲/埃里温';
-$string['atlantic/azores'] = '大西洋/亚述尔群岛';
-$string['atlantic/bermuda'] = '大西洋/百慕大群岛';
-$string['atlantic/canary'] = '大西洋/Canary';
-$string['atlantic/cape_verde'] = '大西洋/佛得角';
-$string['atlantic/faeroe'] = '大西洋/Faeroe';
-$string['atlantic/madeira'] = '大西洋/马德拉';
-$string['atlantic/reykjavik'] = '大西洋/雷克雅未克';
-$string['atlantic/south_georgia'] = '大西洋/South_Georgia';
-$string['atlantic/st_helena'] = '大西洋/圣赫勒拿岛';
-$string['atlantic/stanley'] = '大西洋/Stanley';
-$string['australia/adelaide'] = '澳洲/阿德莱德';
-$string['australia/brisbane'] = '澳洲/布里斯班';
-$string['australia/broken_hill'] = '澳洲/Broken_Hill';
-$string['australia/darwin'] = '澳洲/达尔文';
-$string['australia/hobart'] = '澳洲/霍巴特';
-$string['australia/lindeman'] = '澳洲/Lindeman';
-$string['australia/lord_howe'] = '澳洲/Lord_Howe';
-$string['australia/melbourne'] = '澳洲/墨尔本';
-$string['australia/perth'] = '澳洲/珀斯';
-$string['australia/sydney'] = '澳洲/悉尼';
-$string['europe/amsterdam'] = '欧洲/阿姆斯特丹';
-$string['europe/andorra'] = '欧洲/安道尔市';
-$string['europe/athens'] = '欧洲/雅典';
-$string['europe/belfast'] = '欧洲/贝尔法斯特';
-$string['europe/belgrade'] = '欧洲/贝尔格莱德';
-$string['europe/berlin'] = '欧洲/柏林';
-$string['europe/brussels'] = '欧洲/布鲁塞尔';
-$string['europe/bucharest'] = '欧洲/布加勒斯特';
-$string['europe/budapest'] = '欧洲/布达佩斯';
-$string['europe/chisinau'] = '欧洲/Chisinau';
-$string['europe/copenhagen'] = '欧洲/哥本哈根';
-$string['europe/dublin'] = '欧洲/都柏林';
-$string['europe/gibraltar'] = '欧洲/直布罗陀';
-$string['europe/helsinki'] = '欧洲/赫尔辛基';
-$string['europe/istanbul'] = '欧洲/伊斯坦布尔';
-$string['europe/kaliningrad'] = '欧洲/加里宁格勒';
-$string['europe/kiev'] = '欧洲/基辅';
-$string['europe/lisbon'] = '欧洲/里斯本';
-$string['europe/london'] = '欧洲/伦敦';
-$string['europe/luxembourg'] = '欧洲/卢森堡';
-$string['europe/madrid'] = '欧洲/马德里';
-$string['europe/malta'] = '欧洲/马耳他';
-$string['europe/minsk'] = '欧洲/明斯克';
-$string['europe/monaco'] = '欧洲/摩纳哥';
-$string['europe/moscow'] = '欧洲/莫斯科';
-$string['europe/oslo'] = '欧洲/奥斯陆';
-$string['europe/paris'] = '欧洲/巴黎';
-$string['europe/prague'] = '欧洲/布拉格';
-$string['europe/riga'] = '欧洲/里加';
-$string['europe/rome'] = '欧洲/罗马';
-$string['europe/samara'] = '欧洲/Samara';
-$string['europe/simferopol'] = '欧洲/辛菲罗波尔';
-$string['europe/sofia'] = '欧洲/索非亚';
-$string['europe/stockholm'] = '欧洲/斯德哥尔摩';
-$string['europe/tallinn'] = '欧洲/塔林';
-$string['europe/tirane'] = '欧洲/地拉那';
-$string['europe/uzhgorod'] = '欧洲/Uzhgorod';
-$string['europe/vaduz'] = '欧洲/瓦杜兹';
-$string['europe/vienna'] = '欧洲/维也纳';
-$string['europe/vilnius'] = '欧洲/维尔纽斯';
-$string['europe/warsaw'] = '欧洲/华沙';
-$string['europe/zaporozhye'] = '欧洲/Zaporozhye';
-$string['europe/zurich'] = '欧洲/苏黎世';
-$string['indian/antananarivo'] = '印度洋/Antananarivo';
-$string['indian/chagos'] = '印度洋/查戈斯群岛';
-$string['indian/christmas'] = '印度洋/Christmas';
-$string['indian/comoro'] = '印度洋/科摩罗群岛';
-$string['indian/kerguelen'] = '印度洋/Kerguelen';
-$string['indian/mahe'] = '印度洋/Mahe';
-$string['indian/maldives'] = '印度洋/马尔代夫';
-$string['indian/mauritius'] = '印度洋/毛里求斯';
-$string['indian/mayotte'] = '印度洋/马约特岛';
-$string['indian/reunion'] = '印度洋/留尼旺岛';
-$string['pacific/apia'] = '太平洋/阿皮亚';
-$string['pacific/auckland'] = '太平洋/奥克兰';
-$string['pacific/chatham'] = '太平洋/Chatham';
-$string['pacific/easter'] = '太平洋/Easter';
-$string['pacific/efate'] = '太平洋/埃法特岛';
-$string['pacific/enderbury'] = '太平洋/Enderbury';
-$string['pacific/fakaofo'] = '太平洋/法考福';
-$string['pacific/fiji'] = '太平洋/斐济';
-$string['pacific/funafuti'] = '太平洋/富纳富提';
-$string['pacific/galapagos'] = '太平洋/Galapagos';
-$string['pacific/gambier'] = '太平洋/Gambier';
-$string['pacific/guadalcanal'] = '太平洋/瓜达康纳尔岛';
-$string['pacific/guam'] = '太平洋/关岛';
-$string['pacific/honolulu'] = '太平洋/檀香山';
-$string['pacific/kiritimati'] = '太平洋/Kiritimati';
-$string['pacific/kosrae'] = '太平洋/Kosrae';
-$string['pacific/kwajalein'] = '太平洋/夸贾林环礁';
-$string['pacific/majuro'] = '太平洋/马朱罗';
-$string['pacific/marquesas'] = '太平洋/Marquesas';
-$string['pacific/midway'] = '太平洋/Midway';
-$string['pacific/nauru'] = '太平洋/瑙鲁';
-$string['pacific/niue'] = '太平洋/纽埃岛';
-$string['pacific/norfolk'] = '太平洋/诺福克';
-$string['pacific/noumea'] = '太平洋/努美阿';
-$string['pacific/pago_pago'] = '太平洋/帕果-帕果';
-$string['pacific/palau'] = '太平洋/帕劳群岛';
-$string['pacific/pitcairn'] = '太平洋/Pitcairn';
-$string['pacific/ponape'] = '太平洋/Ponape';
-$string['pacific/port_moresby'] = '太平洋/莫尔兹比港';
-$string['pacific/rarotonga'] = '太平洋/拉罗汤加岛';
-$string['pacific/saipan'] = '太平洋/塞班岛';
-$string['pacific/tahiti'] = '太平洋/塔希提岛';
-$string['pacific/tarawa'] = '太平洋/塔拉瓦岛';
-$string['pacific/tongatapu'] = '太平洋/Tongatapu';
-$string['pacific/truk'] = '太平洋/Truk';
-$string['pacific/wake'] = '太平洋/威克岛';
-$string['pacific/wallis'] = '太平洋/Wallis';
-$string['pacific/yap'] = '太平洋/Yap';
-?>