customerapi: on cancel check also registration ownership

customerapi/controllers/EventController.php

@@ -122,29 +122,6 @@ class EventController extends \customerapi\controllers\CustomerApiController
             ]);
     }
 
-    /**
-     * @param Query $query
-     * @param $interval
-     * @return Query the query with the added conditions
-     */
-    private function buildEventQuery($query, $interval)
-    {
-
-        $paramEventStartMax =  (clone $interval->lastActiveDate);
-        $paramEventStartMax = $paramEventStartMax->modify('+1 day');
-        $paramEventStartMax = $paramEventStartMax->getTimestamp();
-
-
-        /** @var ActiveQuery $query */
-        return $query
-            ->innerJoinWith('trainer')
-            ->innerJoinWith('eventType')
-            ->innerJoinWith('room')
-            ->joinWith('activeEventRegistrations')
-            ->andWhere(['>=', 'event.start', $interval->firstActiveDate->getTimestamp()])
-            ->andWhere(['<', 'event.start', $paramEventStartMax])
-            ->andWhere(['event.active' => '1']);
-    }
 
     /**
      * @param integer $id_event the id of the event