Remove django-ratelimit-backend (#30054)

* fix: remove the usage of django-ratelimit-backend

Co-authored-by: Awais Qureshi <awais.qureshi@arbisoft.com>

cms/envs/common.py

@@ -663,7 +663,7 @@ AUTHENTICATION_BACKENDS = [
     'auth_backends.backends.EdXOAuth2',
     'rules.permissions.ObjectPermissionBackend',
     'openedx.core.djangoapps.content_libraries.auth.LtiAuthenticationBackend',
-    'openedx.core.djangoapps.oauth_dispatch.dot_overrides.backends.EdxRateLimitedAllowAllUsersModelBackend',
+    'django.contrib.auth.backends.AllowAllUsersModelBackend',
     'bridgekeeper.backends.RulePermissionBackend',
 ]
 
@@ -810,9 +810,6 @@ MIDDLEWARE = [
 
     'codejail.django_integration.ConfigureCodeJailMiddleware',
 
-    # catches any uncaught RateLimitExceptions and returns a 403 instead of a 500
-    'ratelimitbackend.middleware.RateLimitMiddleware',
-
     # for expiring inactive sessions
     'openedx.core.djangoapps.session_inactivity_timeout.middleware.SessionInactivityTimeout',
 
@@ -1688,8 +1685,6 @@ INSTALLED_APPS = [
     # Learning Sequence Navigation
     'openedx.core.djangoapps.content.learning_sequences.apps.LearningSequencesConfig',
 
-    'ratelimitbackend',
-
     # Database-backed Organizations App (http://github.com/edx/edx-organizations)
     'organizations',
 

cms/envs/test.py

@@ -283,7 +283,10 @@ FEATURES['ENABLE_TEAMS'] = True
 SECRET_KEY = '85920908f28904ed733fe576320db18cabd7b6cd'
 
 ######### custom courses #########
-INSTALLED_APPS.append('openedx.core.djangoapps.ccxcon.apps.CCXConnectorConfig')
+INSTALLED_APPS += [
+    'openedx.core.djangoapps.ccxcon.apps.CCXConnectorConfig',
+    'common.djangoapps.third_party_auth.apps.ThirdPartyAuthConfig',
+]
 FEATURES['CUSTOM_COURSES_EDX'] = True
 
 ########################## VIDEO IMAGE STORAGE ############################

cms/urls.py

@@ -10,7 +10,7 @@ from django.urls import path, re_path
 from django.utils.translation import gettext_lazy as _
 from auth_backends.urls import oauth2_urlpatterns
 from edx_api_doc_tools import make_docs_urls
-from ratelimitbackend import admin
+from django.contrib import admin
 
 import openedx.core.djangoapps.common_views.xblock
 import openedx.core.djangoapps.debug.views