Yes, it's also removed - see changelog
BTW until now removing the MW50 didn't do anything due to a bug, but they finally fixed it. This is why it's recommended to report such problems to ED with a track instead of me, because ED can fix these in the core code, but I can't do that from the mission editor. Now that ED fixed that bug, it made sense to update all missions finally.
EDIT: Oh wait, my updates are not in game yet. I submitted them to ED, they should be published shortly.