Revert "Add README with details about the status of support for ..." am: 02e000d325 am: e520474e19 Original change: https://android-review.googlesource.com/c/platform/packages/apps/Car/SystemUpdater/+/3345439 Change-Id: I662e59fe5a0549b61e131fffbf95ca3d77515b57 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>