As part of this, we eliminate tc-vcs since it is redundant with run-task.
MozReview-Commit-ID: 8HAFSM73BOU
--HG--
extra : rebase_source : 92947b92ce23a7ca4aa885d4dfd073d72410ae16
This definitely isn't all of it. But I got the obvious chunks. Still
need to clean up mozharness.
MozReview-Commit-ID: JTZBydP3i2r
--HG--
extra : rebase_source : 782401359036751896ef6c153a81a06cb14031bb
Secrets are accessed via http://taskcluster/secrets, and the hazard scripts
show no evidence of such calls.
MozReview-Commit-ID: 6xp6D2ybwap
--HG--
extra : rebase_source : 5bfe02773f26768c7e79621a43515d6bf8b921ca
Mike Hommey
Mike Shal
Gregory Szorc
Dustin J. Mitchell