Remove system-images files from the SDK am: c92fe23901

Original change: https://googleplex-android-review.googlesource.com/c/platform/development/+/18599347

Change-Id: I3c6ce0bb3eb6f3a6d8541e8f30b5421b7a31e739
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>