Remove system-images files from the SDK am: c92fe23901 am: c77dcb8b63

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

Change-Id: I278ff6620f17928e0584d568ec8c3492133b2515
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>