Revert of [cq] Keep presubmit trybots and cq automatically in sync. (patchset #1 id:1 of https://codereview.chromium.org/1580193004/ )

Reason for revert:
Doesn't work with triggered bots. Waiting for this fix: https://codereview.chromium.org/1587893003/

Original issue's description:
> [cq] Keep presubmit trybots and cq automatically in sync.
>
> Code copied 1:1 from chromium.
>
> BUG=chromium:565952
> LOG=n
> NOTRY=true
>
> Committed: https://crrev.com/039dce1e355be6422c672badef5f3895f3b16ead
> Cr-Commit-Position: refs/heads/master@{#33264}

TBR=tandrii@chromium.org,kjellander@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:565952

Review URL: https://codereview.chromium.org/1579223004

Cr-Commit-Position: refs/heads/master@{#33284}