Remove test mapping file for acloud_test am: 810d359137 am: 9d91fb7665

Original change: https://android-review.googlesource.com/c/platform/external/python/mock/+/1550097

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I23a3aa08dbd98c90f7c513100b123f0a5cb2c3f6