MDL-19700 removing unused global

mod/feedback/lib.php

@@ -38,9 +38,6 @@ define('FEEDBACK_RESETFORM_RESET', 'feedback_reset_data_');
 define('FEEDBACK_RESETFORM_DROP', 'feedback_drop_feedback_');
 define('FEEDBACK_MAX_PIX_LENGTH', '400'); //max. Breite des grafischen Balkens in der Auswertung
 
-global $feedback_names; // not nice 
-$feedback_names = feedback_load_feedback_items('mod/feedback/item');
-
 //initialize the feedback-Session - not nice at all!!
 global $SESSION;
 if(!isset($SESSION->feedback) OR !is_object($SESSION->feedback)) {