disabled vaction plugin

roundcube/roundcubemail-1.2.2/config/config.inc.php

@@ -76,7 +76,7 @@ $config['plugins'] = array('attachment_reminder',
   'managesieve',
   'password',
   'zipdownload',
-  'vacation_sieve',
+//  'vacation_sieve',
   'automatic_addressbook',
   'html5_notifier');