Removing unused invert helpers

In AOD the notifications aren't actually inverted
anymore and it was creating problems as in bordercases
it would still be invoked.

Test: add group, normal notification on aod, normal layout
Merged-In: Id01b7624162ff17d0e4cad6479d486683f7e5b33
Change-Id: Id01b7624162ff17d0e4cad6479d486683f7e5b33
Fixes: 77024183