Removed some required files that are not needed

blocks/search_forums/block_search_forums.php

@@ -1,8 +1,5 @@
 <?PHP //$Id$
 
-require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
-require_once($CFG->dirroot.'/mod/forum/lib.php');
-
 class block_search_forums extends block_base {
     function init() {
         $this->title = get_string('blocktitle', 'block_search_forums');