This reverts commit b3d8eeb6.

Reason for revert: https://ci.chromium.org/p/chromium/builders/luci.chromium.try/win7-rel/25961

Original change's description:
> [Torque] Port Array.prototype.reduce and reduceRight to Torque
> 
> BUG: v8:7672
> Change-Id: I8816ab9051e7900119fd65c239f9e207f5c3d417
> Reviewed-on: https://chromium-review.googlesource.com/c/1478697
> Commit-Queue: Michael Stanton <mvstanton@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#59807}

TBR=mvstanton@chromium.org,tebbi@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: Ib15bd4499618a22185d8ef173c4df7b7d55f54ce
Reviewed-on: https://chromium-review.googlesource.com/c/1485971Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59828}