This reverts commit a895f01a.

Reason for revert: Needed for other revert:
https://chromium-review.googlesource.com/c/v8/v8/+/1152767

Original change's description:
> [Intl] Move Number.toLocaleString from js to c++
> 
> 
> Bug: v8:7960
> Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
> Change-Id: I21a524b620e210cce625a1a00e68c0b687187087
> Reviewed-on: https://chromium-review.googlesource.com/1144659
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Reviewed-by: Jungshik Shin <jshin@chromium.org>
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54741}

TBR=jshin@chromium.org,gsathya@chromium.org,bstell.chromium.org@gmail.com,ftang@chromium.org

Change-Id: I060fa2834dde5e1b4cc71923cc066d97bce2a33b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7960
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/1152787Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54746}