[7.0] Cleanup legacy code paths

Author: nicolas-grekas

Tests/ServiceLocatorTest.php

@@ -18,13 +18,8 @@
 use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
 use Symfony\Component\DependencyInjection\ServiceLocator;
 use Symfony\Contracts\Service\ServiceSubscriberInterface;
-use Symfony\Contracts\Service\Test\ServiceLocatorTest as LegacyServiceLocatorTestCase;
 use Symfony\Contracts\Service\Test\ServiceLocatorTestCase;
 
-if (!class_exists(ServiceLocatorTestCase::class)) {
-    class_alias(LegacyServiceLocatorTestCase::class, ServiceLocatorTestCase::class);
-}
-
 class ServiceLocatorTest extends ServiceLocatorTestCase
 {
     public function getServiceLocator(array $factories): ContainerInterface

composer.json

@@ -19,7 +19,7 @@
         "php": ">=8.2",
         "psr/container": "^1.1|^2.0",
         "symfony/deprecation-contracts": "^2.5|^3",
-        "symfony/service-contracts": "^2.5|^3.0",
+        "symfony/service-contracts": "^3.3",
         "symfony/var-exporter": "^6.4|^7.0"
     },
     "require-dev": {