Update docs

Author: fsbraun

docs/api/settings.rst

@@ -23,21 +23,6 @@ Settings for djangocms Versioning
     deleted (if the user has the appropriate rights).
 
 
-.. py:attribute:: DJANGOCMS_VERSIONING_ENABLE_MENU_REGISTRATION
-
-    Defaults to ``True`` (for django CMS <= 4.1.0) and ``False``
-    (for django CMS > 4.1.0)
-
-    This settings specifies if djangocms-versioning should register its own
-    versioned CMS menu. This is necessary for CMS <= 4.1.0. For CMS > 4.1.0, the
-    django CMS core comes with a version-ready menu.
-
-    The versioned CMS menu also shows draft content in edit and preview mode.
-
-    Using the versioned CMS menu is deprecated and it is not compatible with django
-    CMS 5.1 or later.
-
-
 .. py:attribute:: DJANGOCMS_VERSIONING_LOCK_VERSIONS
 
     Defaults to ``False``

docs/upgrade/2.4.0.rst

@@ -68,3 +68,11 @@ will cause the ``DefaultGrouperVersioningAdminMixin`` to be used:
     )
 
 
+Backwards incompatible changes in 2.0.0
+=======================================
+
+CMS menu registration
+---------------------
+
+The `cms_menu.py` and its menu logic - deprecated since version 2.3 - has been removed.
+Use the CMS menu provided by django CMS 4.1 and later instead.