minor symfony#52646 [Serializer] Remove wrong final tags (mtarld)

This PR was merged into the 6.4 branch.

Discussion
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[Serializer] Remove wrong final tags

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

~When ``@final`` was added to `Groups` and `Context`, the related and therefore deprecated tests weren't removed.
This PR removes them.~

According to symfony#52646 (comment), `final` should not have been added to attributes in the first time, this PR removes them.

Commits
-------

74eeada [Serializer] Remove wrong final tags

Author: nicolas-grekas

src/Symfony/Component/Serializer/Attribute/Context.php

@@ -21,8 +21,6 @@
  * @Target({"PROPERTY", "METHOD"})
  *
  * @author Maxime Steinhausser <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_CLASS | \Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
 class Context

src/Symfony/Component/Serializer/Attribute/DiscriminatorMap.php

@@ -21,8 +21,6 @@
  * @Target({"CLASS"})
  *
  * @author Samuel Roze <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_CLASS)]
 class DiscriminatorMap

src/Symfony/Component/Serializer/Attribute/Groups.php

@@ -21,8 +21,6 @@
  * @Target({"PROPERTY", "METHOD", "CLASS"})
  *
  * @author Kévin Dunglas <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_METHOD | \Attribute::TARGET_PROPERTY | \Attribute::TARGET_CLASS)]
 class Groups

src/Symfony/Component/Serializer/Attribute/Ignore.php

@@ -18,8 +18,6 @@
  * @Target({"PROPERTY", "METHOD"})
  *
  * @author Kévin Dunglas <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_METHOD | \Attribute::TARGET_PROPERTY)]
 class Ignore

src/Symfony/Component/Serializer/Attribute/MaxDepth.php

@@ -21,8 +21,6 @@
  * @Target({"PROPERTY", "METHOD"})
  *
  * @author Kévin Dunglas <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_METHOD | \Attribute::TARGET_PROPERTY)]
 class MaxDepth

src/Symfony/Component/Serializer/Attribute/SerializedName.php

@@ -21,8 +21,6 @@
  * @Target({"PROPERTY", "METHOD"})
  *
  * @author Fabien Bourigault <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_METHOD | \Attribute::TARGET_PROPERTY)]
 class SerializedName

src/Symfony/Component/Serializer/Attribute/SerializedPath.php

@@ -23,8 +23,6 @@
  * @Target({"PROPERTY", "METHOD"})
  *
  * @author Tobias Bönner <[email protected]>
- *
- * @final since Symfony 6.4
  */
 #[\Attribute(\Attribute::TARGET_METHOD | \Attribute::TARGET_PROPERTY)]
 class SerializedPath