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

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



Change-Id: Icbed650f46d34154156f116e4cda9f0a8e3047ce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>