AM_DELETE_BREAKOUT removes a cutaway from an existing view.
---->(AM_DELETE_BREAKOUT)--+--|select cutaway|---+---(:YES)------>
^ v
^ v
+---<---(:NO)--<----<-+
- :YES confirms the removal of the cutaway.
- :NO halts the operation, and allows a different cutaway to be specified.
Use this action to remove a cutaway from an existing view.
The view must be updated to see it without the cutaway.
AM_CREATE_BREAKOUT terminate action,
AM_VIEW_UPDATE terminate action