This feature request is working its way through the backlog queue. No new details are available yet.
I hate to be the bearer of bad news, but this feature request has been declined.
-Warrenmahesh ronda commented
We want to have a single "folder", to store all files. Either allow to delete files tab, and we can add a tab linked to any required library/folder, OR Please allow "Files" tab to be configured to any required "Library/folder".