Retire lights.ranchu not used. We use android.hardware.lights-service.example. Bug: 144386336 Test: presubmit Signed-off-by: Roman Kiryanov <rkir@google.com> Merged-In: I348e5fbe10e7c1554ca3caa4c859ac3860d1e6cb Change-Id: I85909f5610c8e7eb3d5dbb914fea578b492f7b72