... by removing some obsolete code.

Bug: v8:7790
Change-Id: I32880d2a4fbd943ea0e485d8e8aff07ac9903e9d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3124795
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76576}