[FrameworkBundle] Remove unnecessary use

Author: ogizanagi

Controller/AbstractController.php

@@ -16,7 +16,6 @@
 use Symfony\Component\DependencyInjection\ServiceSubscriberInterface;
 use Symfony\Component\Form\FormFactoryInterface;
 use Symfony\Component\HttpFoundation\RequestStack;
-use Symfony\Component\HttpFoundation\Session\Session;
 use Symfony\Component\HttpFoundation\Session\SessionInterface;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\Routing\RouterInterface;

Tests/Controller/AbstractControllerTest.php

@@ -13,7 +13,6 @@
 
 use Psr\Container\ContainerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use Symfony\Component\HttpFoundation\File\File;
 
 class AbstractControllerTest extends ControllerTraitTest
 {