3rd party auth removal cleanup

- Sequentiallize auth config removal migrations
- Remove references to third party auth
- update license files
- lint fix
- Remove unneeded docs
- Remove unreferenced file
- Remove social auth references from docs
- Remove rest of sso dir
- Remove references to third part auth in docs
- Removed screenshots of UI listing removed settings
- Remove AuthView references
- Remove unused imports
...

Co-Authored-By: jessicamack <21223244+jessicamack@users.noreply.github.com>

awx/api/urls/urls.py

@@ -15,7 +15,6 @@ from awx.api.views.root import (
     ApiV2AttachView,
 )
 from awx.api.views import (
-    AuthView,
     UserMeList,
     DashboardView,
     DashboardJobsGraphView,
@@ -106,7 +105,6 @@ v2_urls = [
     re_path(r'^config/$', ApiV2ConfigView.as_view(), name='api_v2_config_view'),
     re_path(r'^config/subscriptions/$', ApiV2SubscriptionView.as_view(), name='api_v2_subscription_view'),
     re_path(r'^config/attach/$', ApiV2AttachView.as_view(), name='api_v2_attach_view'),
-    re_path(r'^auth/$', AuthView.as_view()),
     re_path(r'^me/$', UserMeList.as_view(), name='user_me_list'),
     re_path(r'^dashboard/$', DashboardView.as_view(), name='dashboard_view'),
     re_path(r'^dashboard/graphs/jobs/$', DashboardJobsGraphView.as_view(), name='dashboard_jobs_graph_view'),