Deprecate check_invalid_arguments (#34004)

* Deprecate check_invalid_arguments

Check_invalid_arguments is a piece of functionality from the early days
of Ansible that should not be used.  We'll remove it in Ansible 2.9.
Deprecating it for now.

lib/ansible/modules/monitoring/bigpanda.py

@@ -135,7 +135,6 @@ def main():
             url=dict(required=False, default='https://api.bigpanda.io'),
         ),
         supports_check_mode=True,
-        check_invalid_arguments=False,
     )
 
     token = module.params['token']