Fix misleading cleanup/detach documentation (#34674)

* Fix misleading cleanup/detach documentation

Current documentation is not concrete regarding desired
state of `detach` to make container be properly removed
with `cleanup`

Make `detach:false` be mentioned explicitly

* Tweak formatting

lib/ansible/modules/cloud/docker/docker_container.py

@@ -42,7 +42,7 @@ options:
     required: false
   cleanup:
     description:
-      - Use with I(detach) to remove the container after successful execution.
+      - Use with I(detach=false) to remove the container after successful execution.
     default: false
     required: false
     version_added: "2.2"