feat: Add the newest batch deprecations and removals

See:

- nextcloud/server#60955
- nextcloud/server#60954
- nextcloud/server#60953

Signed-off-by: Carl Schwan <carlschwan@kde.org>

Author: CarlSchwan

developer_manual/release_notes/critical_changes.rst

@@ -73,6 +73,17 @@ Removed back-end APIs
   - Instead of ``\OC_Util::redirectToDefaultPage`` and  ``\OC_Util::getDefaultPageUrl`` use ``\OCP\IUrlGenerator::linkToDefaultPageUrl``
   - Instead of ``\OC_Util::checkAdminUser`` use ``IGroupManager::class::isAdmin``
 
+- All these interfaces were deprecated since Nextcloud 23 and were removed without replacement:
+  - ``\OCP\Remote\ICredentials``
+  - ``\OCP\Remote\IInstance``
+  - ``\OCP\Remote\IInstanceFactory``
+  - ``\OCP\Remote\IUser``
+  - ``\OCP\Remote\API\IUserApi``
+  - ``\OCP\Remote\API\ICapabilitiesApi``
+  - ``\OCP\Remote\API\IApiFactory``
+  - ``\OCP\Remote\API\IApiCollection``
+
+- All the deprecated methods of ``\OCP\Calendar\Resource\IManager`` and ``\OCP\Calendar\Room\IManager`` were deprecated since Nextcloud 24 and were removed without replacement.
 
 Unified sharing
 ---------------

developer_manual/release_notes/deprecations.rst

@@ -25,6 +25,7 @@ New deprecations
 - ``\OCP\Util::linkToRemove`` is now deprecated and you need to use ``\OCP\IUrlGenerator::linkToRemote`` instead.
 - ``\OCP\Util::isPublicLinkPasswordRequired`` is now deprecated and you need to use ``\OCP\Share\IManager::shareApiLinkEnforcePassword`` instead.
 - ``\OCP\Util::isDefaultExpireDateEnforced`` is now deprecated and you need to use ``\OCP\Share\IManager::shareApiLinkDefaultExpireDateEnforced`` instead.
+- ``\OCP\Broadcast\Events\\IBroadcastEvent`` is now deprecated as it is unused.
 
 Older deprecations
 ------------------