Merge "run-as: remove unecessary code." into main am: ec63f6f1 am: b3a427ec am: 7fa0b231

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



Change-Id: I5d84ed8257875e19e0079f19c989e2b67c32f5eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>