This removes the marking worklist draining loop from IncrementalMarking
and makes it use the one of MarkCompactCollector.

Bug: chromium:973627
Change-Id: I226b4b45be7d542a82bba20162ad210dfb419c39
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1940250
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65212}