feat: remove collection support for oauth (#15623)

Co-authored-by: Alan Rominger <arominge@redhat.com>

awx_collection/plugins/doc_fragments/auth.py

@@ -32,16 +32,6 @@ options:
     - If value not set, will try environment variable C(CONTROLLER_PASSWORD) and then config files
     type: str
     aliases: [ tower_password ]
-  controller_oauthtoken:
-    description:
-    - The OAuth token to use.
-    - This value can be in one of two formats.
-    - A string which is the token itself. (i.e. bqV5txm97wqJqtkxlMkhQz0pKhRMMX)
-    - A dictionary structure as returned by the token module.
-    - If value not set, will try environment variable C(CONTROLLER_OAUTH_TOKEN) and then config files
-    type: raw
-    version_added: "3.7.0"
-    aliases: [ tower_oauthtoken ]
   validate_certs:
     description:
     - Whether to allow insecure connections to AWX.

awx_collection/plugins/doc_fragments/auth_plugin.py

@@ -43,17 +43,6 @@ options:
         version: '4.0.0'
         why: Collection name change
         alternatives: 'CONTROLLER_PASSWORD'
-  oauth_token:
-    description:
-    - The OAuth token to use.
-    env:
-    - name: CONTROLLER_OAUTH_TOKEN
-    - name: TOWER_OAUTH_TOKEN
-      deprecated:
-        collection_name: 'awx.awx'
-        version: '4.0.0'
-        why: Collection name change
-        alternatives: 'CONTROLLER_OAUTH_TOKEN'
   verify_ssl:
     description:
     - Specify whether Ansible should verify the SSL certificate of the controller host.