init: remove unfinished fsverity signature support for APEX sepolicy am: 0b2c5cde1f am: 53e35f410d am: 5518f236e8 am: 50ff0ce938 am: b2b535968e

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2647684

Change-Id: Iec5796556f0bb73682e143608d1a3b60501e39b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>