Remove django-celery-beat

The default schedule for loading feeds is in the settings. That value
can be overridden on any of the feeds so there is little value in being
able to set the schedule from the database since it will always be a
default value an unlikely to change once set.

demo/settings.py

@@ -19,7 +19,6 @@
     "django.contrib.messages",
     "django.contrib.staticfiles",
     "debug_toolbar",
-    "django_celery_beat",
     "django_extensions",
     "tagulous",
     "feeds.apps.Config",
@@ -84,5 +83,3 @@
 CELERY_TASK_ROUTES = {
     "demo.tasks.load_feeds": {"delivery_mode": "transient"},
 }
-
-CELERY_BEAT_SCHEDULER = "django_celery_beat.schedulers:DatabaseScheduler"

requirements/dev.in

@@ -17,7 +17,6 @@
 
 bs4
 celery
-django-celery-beat
 requests
 text_unidecode
 

requirements/dev.txt

@@ -31,7 +31,6 @@ cachetools==5.3.1
 celery==5.3.4
     # via
     #   -r requirements/dev.in
-    #   django-celery-beat
     #   django-structlog
 certifi==2023.7.22
     # via requests
@@ -60,8 +59,6 @@ colorclass==2.2.2
     # via pip-upgrader
 coverage[toml]==7.3.1
     # via pytest-cov
-cron-descriptor==1.4.0
-    # via django-celery-beat
 croniter==1.4.1
     # via django-rss-feeds
 cryptography==41.0.4
@@ -70,7 +67,6 @@ distlib==0.3.7
     # via virtualenv
 django==3.2.21
     # via
-    #   django-celery-beat
     #   django-debug-toolbar
     #   django-extensions
     #   django-rss-feeds
@@ -79,8 +75,6 @@ django==3.2.21
     #   django-stubs-ext
     #   django-tagulous
     #   django-timezone-field
-django-celery-beat==2.5.0
-    # via -r requirements/dev.in
 django-debug-toolbar==4.2.0
     # via -r requirements/dev.in
 django-extensions==3.2.3
@@ -95,8 +89,6 @@ django-stubs-ext==4.2.2
     # via django-stubs
 django-tagulous==1.3.3
     # via django-rss-feeds
-django-timezone-field==6.0.1
-    # via django-celery-beat
 docopt==0.6.2
     # via pip-upgrader
 docutils==0.18.1
@@ -221,8 +213,6 @@ pytest-factoryboy==2.5.1
     # via -r requirements/tests.in
 pytest-freezegun==0.4.2
     # via -r requirements/tests.in
-python-crontab==3.0.0
-    # via django-celery-beat
 python-dateutil==2.8.2
     # via
     #   celery
@@ -322,7 +312,6 @@ typing-extensions==4.8.0
 tzdata==2023.3
     # via
     #   celery
-    #   django-celery-beat
 urllib3==2.0.5
     # via
     #   requests