Make sure to use the callback passed to cleanupSome

Bug: v8:8179
Change-Id: Ia5d90b56edf80e05bdaf0dc520b555c29042b64c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1655306Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62122}