changes for peronal event calendars

drupalorg_drupalcon.module

@@ -52,21 +52,7 @@ function drupalorg_drupalcon_user_presave(&$edit, $account, $category) {
     }
  }
    */
-
-  do {
-    $calendar_key = substr(sha1(rand()), 0, 10);
-    $query = new EntityFieldQuery();
-    $result = $query
-      ->entityCondition('entity_type', 'user')
-      ->fieldCondition('field_calendar_key', 'value', $calendar_key)
-      ->count()
-      ->execute();
-  } while ($result != 0);
-
-  $wrapper = entity_metadata_wrapper('user', $account);
-  if (empty($account->field_calendar_key)) {
-    $wrapper->field_calendar_key = $calendar_key;
-  }
+  
 }
 
 /**