Revert "[gold] Add logging to diff"
Revert "[gold] Add logging to diff"

This reverts commit adad227afe4ad4f3df81d1737bc6eab8f5c94595.

Reason for revert: Testing RubberStamper reverts

Original change's description:
> [gold] Add logging to diff
>
> Change-Id: If307447f9f2f6a28fb78769acc5443a22a2ac402
> Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/443404
> Reviewed-by: Ravi Mistry <rmistry@google.com>

TBR=rmistry@google.com,kjlubick@google.com

Change-Id: I358752a8f4c89bd598a6b685d5e275df9e6960cd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/443616
Bot-Commit: Rubber Stamper <d516c4cc2192058ab8dae3d306acbdaf2ce6574f@appspot.gserviceaccount.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot