Revert of Swarm tests on Linux release tester. (patchset #2 id:20001 of https://codereview.chromium.org/
598053002/)
Reason for revert:
since I disabled the recipe side
Original issue's description:
> Swarm tests on Linux release tester.
>
> BUG=414808
> TBR=maruel@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/
01b2eb0b5e291faa238d6a21def3e62056bc1fdd
TBR=maruel@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=414808
Review URL: https://codereview.chromium.org/
602603004
Cr-Commit-Position: refs/heads/master@{#296438}