unused use instructions

Boris Shevchenko · xabbuh · commit 00e01e4cee97 · 2016-03-26T10:28:26.000+01:00
removed excess use instructions, that not used in example
diff --git a/cookbook/event_dispatcher/event_listener.rst b/cookbook/event_dispatcher/event_listener.rst
@@ -141,9 +141,7 @@ listen to the same ``kernel.exception`` event::
     namespace AppBundle\EventSubscriber;
 
     use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-    use Symfony\Component\HttpFoundation\Response;
     use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
-    use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 
     class ExceptionSubscriber implements EventSubscriberInterface
     {

Original file line number	Diff line number	Diff line change
@@ -141,9 +141,7 @@ listen to the same ``kernel.exception`` event::
`141`	`141`	`namespace AppBundle\EventSubscriber;`
`142`	`142`
`143`	`143`	`use Symfony\Component\EventDispatcher\EventSubscriberInterface;`
`144`		`- use Symfony\Component\HttpFoundation\Response;`
`145`	`144`	`use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;`
`146`		`- use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;`
`147`	`145`
`148`	`146`	`class ExceptionSubscriber implements EventSubscriberInterface`
`149`	`147`	`{`