Revert of [heap] Fine-grained JSArrayBuffer tracking

test/cctest/heap/utils-inl.h

Index: test/cctest/heap/utils-inl.h
diff --git a/test/cctest/heap/utils-inl.h b/test/cctest/heap/utils-inl.h
index 1f9eb5c386c68f256dab1affe5e6096c84073f23..0e943b4197538bccb7bd79c14c0bcd352a512177 100644
--- a/test/cctest/heap/utils-inl.h
+++ b/test/cctest/heap/utils-inl.h
@@ -142,14 +142,6 @@
   CHECK(marking->IsComplete());
 }
 
-static inline void AbandonCurrentlyFreeMemory(PagedSpace* space) {
-  space->EmptyAllocationInfo();
-  PageIterator pit(space);
-  while (pit.has_next()) {
-    pit.next()->MarkNeverAllocateForTesting();
-  }
-}
-
 }  // namespace internal
 }  // namespace v8