Revert "Add auth token parsing to IKeymasterDevice.hal"

This reverts commit 62f63c7ddbd08737e298a97975754225e5da0126.

Reason for revert: b/36637075

Bug: 36637075
Change-Id: Ie0e8d0b480047a7c68f266e7e5d8a31722f85128
4 files changed