Rip out infrastructure for deferred stack trace formatting.

src/mark-compact.cc

Index: src/mark-compact.cc
diff --git a/src/mark-compact.cc b/src/mark-compact.cc
index 95f673c2a4d5fd406589bc8f9cbc4ced989c6e9b..815cae5b5e397a6b874e23996db9db804cfe2b37 100644
--- a/src/mark-compact.cc
+++ b/src/mark-compact.cc
@@ -2396,7 +2396,6 @@ void MarkCompactCollector::AfterMarking() {
   string_table->ElementsRemoved(v.PointersRemoved());
   heap()->external_string_table_.Iterate(&v);
   heap()->external_string_table_.CleanUp();
-  heap()->error_object_list_.RemoveUnmarked(heap());
 
   // Process the weak references.
   MarkCompactWeakObjectRetainer mark_compact_object_retainer;
@@ -3463,9 +3462,6 @@ void MarkCompactCollector::EvacuateNewSpaceAndCandidates() {
   heap_->UpdateReferencesInExternalStringTable(
       &UpdateReferenceInExternalStringTableEntry);
 
-  // Update pointers in the new error object list.
-  heap_->error_object_list()->UpdateReferences();
-
   if (!FLAG_watch_ic_patching) {
     // Update JSFunction pointers from the runtime profiler.
     heap()->isolate()->runtime_profiler()->UpdateSamplesAfterCompact(