This reverts commit 380884e0f09949b6c2dfa5954e74d9fb504d54cf since
the CQ-Rietveld integration is now supporting codereview.webrtc.org.
BUG=501332
TBR=phoglund@webrtc.org
Review URL: https://codereview.webrtc.org/1197713007.
Cr-Commit-Position: refs/heads/master@{#9475}
BUG=470518
TESTED=Ran the trybot on this CL and it seems to work (but fails due to missing LGTM): I'll run it again when I got an LGTM.
R=phoglund@webrtc.org
Review URL: https://codereview.webrtc.org/1188793002.
Cr-Commit-Position: refs/heads/master@{#9450}
This is the same set of trybots that used to be configured in PRESUBMIT.py
BUG=470518
TBR=
Review URL: https://codereview.webrtc.org/1189583003
Cr-Commit-Position: refs/heads/master@{#9448}