remove legacy test dependencies

Author: jrushlow

tests/Maker/MakeSerializerEncoderTest.php

@@ -52,11 +52,6 @@ public function getTestDetails(): \Generator
 
         /* @legacy - Remove when MakerBundle no longer supports Symfony 6.4 */
         yield 'it_makes_serializer_encoder_legacy' => [$this->createMakerTest()
-            // serializer-pack 1.1 requires symfony/property-info >= 5.4
-            // adding symfony/serializer-pack:* as an extra depends allows
-            // us to use serializer-pack < 1.1 which does not conflict with
-            // property-info < 5.4. E.g. Symfony 5.3 tests. See PR 1063
-            ->addExtraDependencies('symfony/serializer-pack:*')
             ->run(function (MakerTestRunner $runner) {
                 if (70000 < $runner->getSymfonyVersion()) {
                     $this->markTestSkipped('Legacy Symfony 6.4 Test');