They'll have to redownload all media the next time they remote install from a new build. 

Clayton and I discussed this, and once deployed we're gonna check Kibana for all project spaces that have had a media_profile file downloaded. (All `GET`s to a media_profile page). Once we know which project space may be already leveraging remote MM, we'll send out a note saying we just made a recent bugfix that'll require that they reinstall all their mm the next time they remote update. But that it should only be a one time thing