Revert "[CT] CC Joe and Kevin on task emails."
Revert "[CT] CC Joe and Kevin on task emails."

This reverts commit 446d905a1df6974c4767a8837a16894d88651098.

Reason for revert: I'm back from vacation.

Original change's description:
> [CT] CC Joe and Kevin on task emails.
> 
> Reland of https://skia-review.googlesource.com/c/buildbot/+/138583
> 
> Change-Id: I62878cfacb289b62478303c60aa35cd456293b16
> Reviewed-on: https://skia-review.googlesource.com/138588
> Commit-Queue: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
> Commit-Queue: Kevin Lubick <kjlubick@google.com>
> Auto-Submit: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
> Reviewed-by: Kevin Lubick <kjlubick@google.com>

TBR=3ef7217be91069877d94f7907ce5479000772cd3@google.com,b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com,kjlubick@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I74e2f43af5034090dd7f425f0d2b3c7c47f1590f
Reviewed-on: https://skia-review.googlesource.com/140261
Reviewed-by: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Commit-Queue: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.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