This reverts commit 15ec4a09.

Reason for revert: Clusterfuzz
Bug:chromium:1038140

Original change's description:
> [promises] Port Promise.race to Torque.
> 
> Bug: v8:9838
> Change-Id: Iee3bcaa3a7149309c01d16be67d189ccc56bd0e8
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1965919
> Commit-Queue: Joshua Litt <joshualitt@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#65562}

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

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

Bug: v8:9838
Change-Id: Ic9aa558425f106b0c1c7f5b87dfb6064605ee657
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1988539Reviewed-by: Joshua Litt <joshualitt@chromium.org>
Commit-Queue: Joshua Litt <joshualitt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65587}