Revert "HiKey/HiKey960: Add gatekeeper hal from cuttlefish"

This reverts commit 5cec2d8bdcbceeca8ba541baf16e7221a1d80e6c.

Reason for revert: Replacing with HIDL-ized version

Change-Id: Ia9cc1f0903aa272a575095d2fee540b3d863d48c
8 files changed