Revert "Add the ability to HaltStep to execute cold_reboot command before actually halt."

This reverts commit 0963d882f5fbf6f24dfbe13974682649f32db76b

Change-Id: I053a31db8faaa8d57ac5ecaf092c4aa89a70a6bf
Reviewed-on: https://gerrit.chromium.org/gerrit/35089
Reviewed-by: Jay Kim <yongjaek@chromium.org>
Tested-by: Jay Kim <yongjaek@chromium.org>
2 files changed