Merge "Remove unused files." into main am: 59a2cde894

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2759693

Change-Id: I010f21c81092ee51bce7c7c5fdca39acef377826
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>