Fix redirect when delete entry

src/Wallabag/CoreBundle/Controller/EntryController.php

@@ -412,7 +412,7 @@ class EntryController extends Controller
         );
 
         // don't redirect user to the deleted entry
-        $to = ($url !== $request->headers->get('referer') ? $request->headers->get('referer') : $this->generateUrl('homepage'));
+        $to = ($url !== $request->headers->get('referer') ? $request->headers->get('referer') : null);
 
         $redirectUrl = $this->get('wallabag_core.helper.redirect')->to($to);