Revert "CQ config: add gerrit CQAbility verifier."

This reverts commit 04628221324eb2e5b329a8fd9c69196ea9acb43c.

Reason for revert: Lets revert until the proto is rolled into Skia.

Original change's description:
> CQ config: add gerrit CQAbility verifier.
> 
> Goal is to ensure that unreviewed and untrusted code isn't sent through
> CQ to try bots, by accident or through malicious intent.
> 
> R=​rmistry@google.com
> BUG=chromium:692613
> NOTRY=True
> 
> Change-Id: I750be91895f5b77229b8f4a22216f00eaa75f7a0
> Reviewed-on: https://skia-review.googlesource.com/8620
> Reviewed-by: Ravi Mistry <rmistry@google.com>
> Commit-Queue: Ravi Mistry <rmistry@google.com>
> 

TBR=rmistry@google.com,reviews@skia.org,tandrii@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:692613

Change-Id: I6d4b821b2a02ef3e097cf68cd8ebfb2b51d4d165
Reviewed-on: https://skia-review.googlesource.com/8663
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
1 file changed