The proposal has changed and we'll start on the new implementation
from scratch.

Bug: v8:11935, v8:7467
Change-Id: I29e39a414027d80fd91764ce02a05d7c032a41f7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3178964
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77016}