Revert "EC: Add VbExEcVbootDone"

This reverts commit a958f5390c29378dd7e6dfc600794ce390145b13.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> EC: Add VbExEcVbootDone
> 
> VbExEcVbootDone is called after software sync is done. It's supposed to
> check whether Depthcharge should continue to boot or shut down.
> 
> Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
> 
> BUG=b/128455667
> BRANCH=strago
> TEST=TBD
> 
> Change-Id: I325b14d240c17ce74686d86fcbe140fbcfef6b74
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1656775
> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
> Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
> Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
> Auto-Submit: Daisuke Nojiri <dnojiri@chromium.org>

Bug: b/128455667
Change-Id: I9735a1c19e984c77ba1c30d0f8768d6edf1fa34e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1720951
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Auto-Submit: Daisuke Nojiri <dnojiri@chromium.org>
2 files changed