Remove the versionadded directive

Author: javiereguiluz

components/asset.rst

@@ -183,10 +183,6 @@ listed in the manifest::
     echo $package->getUrl('not-found.css');
     // error:
 
-.. versionadded:: 5.4
-
-    The ``$strictMode`` option was introduced in Symfony 5.4.
-
 If your JSON file is not on your local filesystem but is accessible over HTTP,
 use the :class:`Symfony\\Component\\Asset\\VersionStrategy\\RemoteJsonManifestVersionStrategy`
 with the :doc:`HttpClient component </http_client>`::

reference/configuration/framework.rst

@@ -2123,10 +2123,6 @@ strict_mode
 
 **type**: ``boolean`` **default**: ``false``
 
-.. versionadded:: 5.4
-
-    The ``strict_mode`` option was introduced in Symfony 5.4.
-
 When enabled, the strict mode asserts that all requested assets are in the
 manifest file. This option is useful to detect typos or missing assets, the
 recommended value is ``%kernel.debug%``.