Revert of Call status before reset in gclient sync. (patchset #2 id:20001 of https://codereview.chromium.org/2447813003/ )

Reason for revert:
https://codereview.chromium.org/2444403003/ makes this pretty redundant.  Reverting this.

Original issue's description:
> Call status before reset in gclient sync.
>
> Calling status before reset will ensure files that have no been changed do not
> get deleted by reset --hard.
>
> BUG=642711
>
> Committed: https://chromium.googlesource.com/chromium/tools/depot_tools/+/d74a7b4c14512d95cb46204bb7a70ba5666b5eb7

TBR=sdefresne@chromium.org,maruel@chromium.org,dpranke@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=642711

Review-Url: https://codereview.chromium.org/2453083002