Revert "login: Enable verbose logging for renderer-freezing code."

This reverts commit I0b2bdce621f3962e766b53907fdb4614cfe03d33.

Reason for revert: I believe that the underlying bug has been fixed,
so spammy logging is no longer needed.

Original change's description:
> login: Enable verbose logging for renderer-freezing code.
> 
> Temporarily set the VLOG levels for power_manager_client and
> renderer_freezer to 1 to help diagnose Chrome crashes while
> freezing renderers.
> 
> BUG=chromium:648580
> TEST=built it and checked that messages are logged
> 
> Change-Id: I0b2bdce621f3962e766b53907fdb4614cfe03d33
> Reviewed-on: https://chromium-review.googlesource.com/394829
> Commit-Queue: Dan Erat <derat@chromium.org>
> Tested-by: Dan Erat <derat@chromium.org>
> Trybot-Ready: Dan Erat <derat@chromium.org>
> Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
> 

TBR=derat@chromium.org,chirantan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I46b8d015439f17b1d61ea3c808608a325b17c5a5
Reviewed-on: https://chromium-review.googlesource.com/398099
Tested-by: Dan Erat <derat@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/399925
Reviewed-by: Dan Erat <derat@chromium.org>
Commit-Queue: Dan Erat <derat@chromium.org>
Trybot-Ready: Dan Erat <derat@chromium.org>
1 file changed