This reverts commit 01aed57e.

Reason for revert: Might have caused some regressions, see https://crbug.com/1351991.

Original change's description:
> [heap] Add IncrementalMarking::AdvanceOnTask as new bottleneck
>
> Introduce common bottleneck for all incremental marking step
> invocations from a task context. This will later be used to move
> code out of IncrementalMarking::Step.
>
> Bug: v8:11708
> Change-Id: Iba2dc2402083f8b4152ded56eaf0e13d473442a8
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3822682
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#82343}

Bug: v8:11708
Change-Id: I1ec74974d90b865baf223f9820f5bf346f113d86
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3827865
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82422}