Revert of [es6] Update test262 tests (patchset #4 id:60001 of https://codereview.chromium.org/1025043002/)

Reason for revert:
Bot failed to include verifyNotEnumerable function for some screwed up reason.

Original issue's description:
> [es6] Update test262 tests
>
> This updates test262 to revision d24fd10 (2015/03/11).
>
> The files moved around in the test repo and a lot of new tests are
> failing.
>
> BUG=None
> LOG=N
> R=rossberg
>
> Committed: https://crrev.com/4f2fb3835feff3663146f12be42b01a226d0065e
> Cr-Commit-Position: refs/heads/master@{#27522}

TBR=rossberg@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Review URL: https://codereview.chromium.org/1047713002

Cr-Commit-Position: refs/heads/master@{#27525}