Revert of Test262 roll, 2016-2-23 (patchset #2 id:20001 of https://codereview.chromium.org/1738033002/ )

Reason for revert:
An Intl change that this depends on breaks a bot

Original issue's description:
> Test262 roll, 2016-2-23
>
> R=adamk
>
> Committed: https://crrev.com/34492040fbfb04fead21416245c8696b9847e751
> Cr-Commit-Position: refs/heads/master@{#34312}

TBR=adamk@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1736223002

Cr-Commit-Position: refs/heads/master@{#34313}