Merge "libutils: Remove a little dead code" am: 4a39ba316f am: 0a8e5126ef am: 9637277417 am: 74402be9d1

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1977026

Change-Id: I5fba0be1400bf89bd35692d68f2a518d486a20cb