Update changelog

CHANGELOG.rst

@@ -9,6 +9,11 @@ and this project adheres to `Semantic Versioning`_.
 Unreleased
 ----------
 
+Removed
+~~~~~~~
+
+* Remove fallback code from optional Celery as it's now non-optional.
+
 `2.1`_ - 2021-11-05
 -------------------
 

aleksis/core/__init__.py

 from importlib import metadata
 
-from .celery import app as celery_app
+from .celery import app as celery_app  # noqa
 
 try:
     __version__ = metadata.distribution("AlekSIS-Core").version