Merge "run-as: remove unecessary code." into main am: ec63f6f1 am: b3a427ec

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2822612



Change-Id: I58702a4b21062e865f261d205c3b12ade86520d1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>