Revert "On-device signing: Add TEST_MAPPING."

This reverts commit 74c5ec7a36527b89b2894f68089f5711d046c62e.

Reason for revert: Doesn't appear to pass on cuttlefish (I only tested actual devices...)

Change-Id: Ic73b9a74d46f85b71207d43b7d738f579df649e0
1 file changed