... by removing some obsolete code.

Bug: v8:7790
Change-Id: I722031158d45335f3e086eb335a447fbc5066cac
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3124798
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76580}