Remove test mapping file for acloud_test am: 3259c4fa64 am: 48665a7317

Original change: https://android-review.googlesource.com/c/platform/external/python/six/+/1554534

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ifd6cbaeb89d27879b6d3f0defd0d739eaa1008da