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: I634dad9c934fd5837b6ef4b991f84acca3154041
1 file changed