Revert "Add message number constants matching DeleteUser and Del..." am: a509dea343 am: ffbbe860e2 am: 3bfcedaf23 am: 5574801490

Original change: https://android-review.googlesource.com/c/platform/system/gatekeeper/+/1843815

Change-Id: Id572687bb43d1229245fa3c5f4bcf59512bebdc8