Removed the ON_ prefix for the events

Form/EventListener/MergeCollectionListener.php

@@ -29,7 +29,7 @@ class MergeCollectionListener implements EventSubscriberInterface
 
     public static function getSubscribedEvents()
     {
-        return array(FormEvents::ON_BIND_NORM_DATA => 'onBindNormData');
+        return array(FormEvents::BIND_NORM_DATA => 'onBindNormData');
     }
 
     public function onBindNormData(FilterDataEvent $event)

Form/EventListener/ResizeFormListener.php

@@ -57,7 +57,7 @@ class ResizeFormListener implements EventSubscriberInterface
         return array(
             FormEvents::PRE_SET_DATA => 'preSetData',
             FormEvents::PRE_BIND => 'preBind',
-            FormEvents::ON_BIND_NORM_DATA => 'onBindNormData',
+            FormEvents::BIND_NORM_DATA => 'onBindNormData',
         );
     }