... by removing some obsolete code.

Bug: v8:7790
Change-Id: Ie098055a1849de5d853c126e0c7275164f964ce8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3124774
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76575}