[Messenger] Delete obsolete versionadded directive

OskarStark · OskarStark · commit a94292604f8a · 2023-08-14T09:31:12.000+02:00
Fixes #16535
diff --git a/messenger.rst b/messenger.rst
@@ -2404,10 +2404,6 @@ middleware and *only* include your own:
 Middleware for Doctrine
 ~~~~~~~~~~~~~~~~~~~~~~~
 
-.. versionadded:: 1.11
-
-    The following Doctrine middleware was introduced in DoctrineBundle 1.11.
-
 If you use Doctrine in your app, a number of optional middleware exist that you
 may want to use:
 
