... by removing some obsolete code.

Bug: v8:7790
Change-Id: I3a244ef5fc7fe15321e5bb1c9bb2fe794030ba3b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3124801
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76582}