Clean up module documentation (#36909)

* Clean up module documentation

This PR includes:
- Removal of `default: None` (and variations)
- Removal of `required: false`
- Fixing booleans and `type: bool` where required

* Fix remaining (new) validation issues

lib/ansible/modules/cloud/azure/azure_rm_containerinstance.py

@@ -50,7 +50,6 @@ options:
         choices:
             - public
             - none
-        default: None
     ports:
         description:
             - List of ports exposed within the container group.
@@ -93,7 +92,7 @@ options:
         description:
             - Force update of existing container instance. Any update will result in deletion and recreation of existing containers.
         type: bool
-        default: False
+        default: 'no'
 
 extends_documentation_fragment:
     - azure