Revert "Implement flash region permissions check in hardware sequencing."

This reverts commit 0b50cc2922f1717663ecb814d1c55489ffa91632.

BUG=chromium:524262
BRANCH=R46
Change-Id: I902015d46d3f4747b35d75347120dbc771d1280f
Reviewed-on: https://chromium-review.googlesource.com/295846
Reviewed-by: Aaron Durbin <[email protected]>
Tested-by: David Hendricks <[email protected]>
Commit-Queue: Bernie Thompson <[email protected]>
4 files changed