Deprecate GMA apps that will be removed in 14.0
What does this MR do?
Add code comments for apps that will be removed in %14.0
See &4280
Docs already updated: https://docs.gitlab.com/ee/user/clusters/applications.html#install-with-one-click
Add code comments for apps that will be removed in %14.0
See &4280
Docs already updated: https://docs.gitlab.com/ee/user/clusters/applications.html#install-with-one-click