Merge "Remove unused files." into main am: 59a2cde8 am: 1a262a11 am:...

Merge "Remove unused files." into main am: 59a2cde8 am: 1a262a11 am: e2145d2f am: 510fd0f2 am: c9670bd7

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



Change-Id: Iefd09423e207ca318d2bc95c1e7fc1e2691e2a00
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>