remove block-bundle v4 leftovers

Author: dmaicher

tests/App/AppKernel.php

@@ -18,7 +18,6 @@
 use Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle;
 use Knp\Bundle\MenuBundle\KnpMenuBundle;
 use Sonata\AdminBundle\SonataAdminBundle;
-use Sonata\BlockBundle\Cache\HttpCacheHandler;
 use Sonata\BlockBundle\SonataBlockBundle;
 use Sonata\Doctrine\Bridge\Symfony\SonataDoctrineBundle;
 use Sonata\DoctrineORMAdminBundle\SonataDoctrineORMAdminBundle;
@@ -89,10 +88,6 @@ protected function configureContainer(ContainerBuilder $container, LoaderInterfa
             $loader->load(__DIR__.'/config/config_symfony_v5.yml');
         }
 
-        if (class_exists(HttpCacheHandler::class)) {
-            $loader->load($this->getProjectDir().'/config/config_sonata_block_v4.yaml');
-        }
-
         $loader->load(__DIR__.'/config/services.php');
     }