Revert of [Telemetry] Set the number of attempts to retry a test if browser or tab...

Revert of [Telemetry] Set the number of attempts to retry a test if browser or tab crash to 1 (patchset #2 id:20001 of https://codereview.chromium.org/659753003/)

Reason for revert:
Possible cause of gpu telemetry bot flake

Original issue's description:
> [Telemetry] Set the number of attempts to retry a test to 1
>
> **SHERIFFS: if telemetry perf tests on waterfall become more flaky, this patch can be safely reverted.
>
> BUG=422339
>
> Committed: https://crrev.com/f5b75f261be7779ccca14d09ddaabb3e4ee5ee03
> Cr-Commit-Position: refs/heads/master@{#299716}

TBR=tonyg@chromium.org,dtu@chromium.org,nednguyen@google.com
NOTREECHECKS=true
NOTRY=true
BUG=422339

Review URL: https://codereview.chromium.org/661303002

Cr-Commit-Position: refs/heads/master@{#300218}