CC-3850: Use qTip instead of custom tooltips

-removed description from icecast_vorbis_metadata element

airtime_mvc/application/forms/StreamSetting.php

@@ -40,7 +40,6 @@ class Application_Form_StreamSetting extends Zend_Form
       
         $icecast_vorbis_metadata = new Zend_Form_Element_Checkbox('icecast_vorbis_metadata');
         $icecast_vorbis_metadata->setLabel('Icecast Vorbis Metadata')
-                                ->setDescription($description)
                                 ->setRequired(false)
                                 ->setValue(($setting['icecast_vorbis_metadata'] == "true")?1:0)
                                 ->setDecorators(array('ViewHelper'));