removed dead code and fixed CS

Author: fabpot

Tests/Functional/Bundle/TestBundle/Controller/FragmentController.php

@@ -11,7 +11,6 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\TestBundle\Controller;
 
-use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\DependencyInjection\ContainerAware;