Merge "Remove unsued mutator registration" into main am: d7471ec5 am: a8097a50

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2794672



Change-Id: I403d495f2773b0f5d7b580155663e461844470e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>