Remove references to device/generic/goldfish/*/device.mk am: a2946d1a3f

Original change: https://android-review.googlesource.com/c/device/generic/car/+/2824885

Change-Id: I57efcda602c067d198774f3e9faa0d3f91ce0f21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>