IBX-8137: Dropped SwiftMailer in integration tests setup (#1289)

Author: ViniTou

tests/integration/AdminUiIbexaTestKernel.php

@@ -23,7 +23,6 @@
 use Ibexa\Rest\Server\Controller\JWT;
 use Knp\Bundle\MenuBundle\KnpMenuBundle;
 use Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle;
-use Swift_Mailer;
 use Symfony\Component\Config\Loader\LoaderInterface;
 use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -103,8 +102,6 @@ private static function configureThirdPartyBundles(ContainerBuilder $container):
             'output_path' => dirname(__DIR__, 2) . '/var/encore/output',
         ]);
 
-        self::addSyntheticService($container, Swift_Mailer::class);
-
         // bazinga's locale_fallback
         $container->setParameter('locale_fallback', 'en');