Revert "Add "Unlocked device required" parameter to keys"

This reverts commit dc9505de44c70e701cdf27c7f7d8d9de5217f4b6.

Reason for revert: Build breakages on elfin, gce_x86_phone.

Bug: 72679761
Bug: 67752510
Change-Id: I53d396632b7a23141b755e028342accf6625ca0b
1 file changed