- Disables "confirm unconfirmed" batch action as per #432

lib/Models/Subscriber.php

@@ -198,6 +198,7 @@ class Subscriber extends Model {
       __('Subscribers without a segment (%s)'),
       number_format($subscribers_without_segment)
     );
+
     $segment_list[] = array(
       'label' => str_replace(' (0)', '', $subscribers_without_segment_label),
       'value' => 'none'
@@ -534,11 +535,11 @@ class Subscriber extends Model {
     return false;
   }
 
-  static function bulkConfirmUnconfirmed($orm) {
+/*  static function bulkConfirmUnconfirmed($orm) {
     $subscribers = $orm->findResultSet();
     $subscribers->set('status', self::STATUS_SUBSCRIBED)->save();
     return $subscribers->count();
-  }
+  }*/
 
   static function bulkSendConfirmationEmail($orm) {
     $subscribers = $orm