Merge "Delete unused DATA_MNT_POINT macro" into main am: 9c562cf82b am: 5e32ce2d28 am: afc3f8e7e4 am: 0fe1b3c518 am: fcee2ca617

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2759565

Change-Id: If01bfb413445ff68ec624edd740f4a88b69d527c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>