This reverts commit 8b917cd9.

Reason for revert: Breaks the noi18n build. The header js-date-time-format.h expects i18n to be enabled.

Original change's description:
> [torque] Convert few class layout definitions to torque.
> 
> Converted JSGlobalObject, JSIteratorResult, JSLocale, JSDateTimeFormat,
> JSListFormat, JSNumberFormat, JSPluralRules, JSRelativeTimeFormat,
> JSSegmenter, JSAsyncFromSyncIterator to torque.
> 
> Bug: v8:8952
> Change-Id: I760a658c5bef7e12bc8f07b741245e9d1933164e
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1529262
> Commit-Queue: Suraj Sharma <surshar@microsoft.com>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#60727}

TBR=jgruber@chromium.org,tebbi@chromium.org,surshar@microsoft.com

Change-Id: Ibbcb3667be1042b3b0290d68369da597ea07102d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8952
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1559866Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60728}