remove unneeded @requires PHP from tests

Author: xabbuh

src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php

@@ -167,8 +167,6 @@ public function testDumpHandlesEnumeration()
     }
 
     /**
-     * @requires PHP 8.1
-     *
      * @dataProvider provideDefaultClasses
      */
     public function testDumpHandlesDefaultAttribute($class, $expectedFile)

src/Symfony/Component/Serializer/Tests/SerializerTest.php

@@ -755,9 +755,6 @@ public function testDeserializeWrappedScalar()
         $this->assertSame(42, $serializer->deserialize('{"wrapper": 42}', 'int', 'json', [UnwrappingDenormalizer::UNWRAP_PATH => '[wrapper]']));
     }
 
-    /**
-     * @requires PHP 8
-     */
     public function testDeserializeNullableIntInXml()
     {
         $extractor = new PropertyInfoExtractor([], [new ReflectionExtractor()]);

src/Symfony/Component/Validator/Tests/Constraints/WhenTest.php

@@ -103,9 +103,6 @@ public function testAnnotations()
         self::assertSame(['Default', 'WhenTestWithAnnotations'], $bazConstraint->groups);
     }
 
-    /**
-     * @requires PHP 8.1
-     */
     public function testAttributes()
     {
         $loader = new AnnotationLoader(new AnnotationReader());