Fix CS

Author: fabpot

Tests/Controller/ContainerControllerResolverTest.php

@@ -14,7 +14,6 @@
 use Psr\Container\ContainerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\DependencyInjection\Container;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Controller\ContainerControllerResolver;