Remove unused import and simplify anonymous class declaration in Kernel.php

Author: Spomky

src/LiveComponent/tests/Fixtures/Kernel.php

@@ -13,7 +13,6 @@
 
 use Composer\InstalledVersions;
 use Doctrine\Bundle\DoctrineBundle\DoctrineBundle;
-use Doctrine\ORM\Mapping\AssociationMapping;
 use Psr\Log\NullLogger;
 use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
 use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
@@ -81,7 +80,7 @@ public function registerBundles(): iterable
     protected function build(ContainerBuilder $container): void
     {
         // workaround https://github.com/symfony/symfony/issues/50322
-        $container->addCompilerPass(new class() implements CompilerPassInterface {
+        $container->addCompilerPass(new class implements CompilerPassInterface {
             public function process(ContainerBuilder $container): void
             {
                 $container->removeDefinition('doctrine.orm.listeners.pdo_session_handler_schema_listener');
@@ -206,6 +205,7 @@ protected function configureContainer(ContainerConfigurator $c): void
                 $doctrineConfig['orm']['validate_xml_mapping'] = true;
                 $doctrineConfig['dbal']['schema_manager_factory'] = 'doctrine.dbal.default_schema_manager_factory';
 
+                // https://github.com/doctrine/DoctrineBundle/pull/1962
                 if (version_compare($doctrineBundleVersion, '3.0.0', '<')) {
                     $doctrineConfig['orm']['report_fields_where_declared'] = true;
                 }