ZF-7106: Remove circular dependency in Zend_Gdata_Calendar caused by

Zend_Gdata_Calendar_Extension_AccessLevel.

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@16266 44c647ce-9c0f-0410-b52a-842ac1e357ba

library/Zend/Gdata/Calendar/Extension/AccessLevel.php

@@ -26,11 +26,6 @@
 require_once 'Zend/Gdata/Extension.php';
 
 /**
- * @see Zend_Gdata_Extension
- */
-require_once 'Zend/Gdata/Calendar.php';
-
-/**
  * Represents the gCal:accessLevel element used by the Calendar data API
  *
  * @category   Zend