[heap] Remove to aggressive CHECK from inner marking function

The check whether worklists are empty sits after marking the
transitive closure, when it is guaranteed that no concurrent marker is
running anymore.

Bug: chromium:1325628
Change-Id: Ibfa7278df2181a0aa6c7e0f1d53d51e8afaa3352
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3647830
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80566}

src/heap/mark-compact.cc

@@ -2266,7 +2266,6 @@ void MarkCompactCollector::MarkTransitiveClosureLinear() {
   ResetNewlyDiscovered();
   ephemeron_marking_.newly_discovered.shrink_to_fit();
 
-  CHECK(local_marking_worklists()->IsEmpty());
   CHECK(weak_objects_.current_ephemerons.IsEmpty());
   CHECK(weak_objects_.discovered_ephemerons.IsEmpty());