tree 42362a942f598340b2adfa488c9b0617bf1d901e
parent 6ce7fbc158b4ac2a1efa1d2917bb176a29ec291a
author Urvang Joshi <urvang@google.com> 1553299231 -0700
committer Urvang Joshi <urvang@google.com> 1553536626 -0700

Remove 'rf_level' from GF_GROUP.

We infer rate factor level from update type directly instead.

Also, remove unused code / enum related to rate factor levels.
And remove an 'else' case that's no longer reachable with the new
pyramid structure.

BUG=aomedia:2346

Change-Id: I3284bf586bd9ca6b61b0ec986cef916ebf45ac08