Revert "Add README with details about the status of support for ..."

Revert submission 3320775-aosp_apps_car

Reason for revert: Car apps not deprecated.
Reverted changes: /q/submissionid:3320775-aosp_apps_car

Change-Id: If30a9e256910386d4f37e33d7b1263fa1a07f441
1 file changed