Remove obsolete versionadded directive

OskarStark · OskarStark · commit a45341d49c96 · 2022-12-04T21:40:39.000+01:00
diff --git a/notifier/events.rst b/notifier/events.rst
@@ -4,11 +4,6 @@
 Using Events
 ============
 
-.. versionadded:: 5.4
-
-    The ``MessageEvent``, ``FailedMessageEvent`` and ``SentMessageEvent`` were
-    introduced in Symfony 5.4.
-
 The class:``...\\..\\Transport`` of the Notifier component allows you to optionally hook
 into the lifecycle via events.
 
