Storage: Delete functions now delete from map.
Storage: Delete functions now delete from map.

This is ok due to the map storing shared_ptr.

wpilibsuite/ntcore,wpilibsuite/ntcore,333fred/ntcore,robotdotnet/ntcore,robotdotnet/ntcore,wpilibsuite/ntcore,333fred/ntcore,333fred/ntcore,robotdotnet/ntcore,wpilibsuite/ntcore,robotdotnet/ntcore,333fred/ntcore