Revert of Reland "Keep track of array buffers in new space separately"

src/heap/objects-visiting-inl.h

Index: src/heap/objects-visiting-inl.h
diff --git a/src/heap/objects-visiting-inl.h b/src/heap/objects-visiting-inl.h
index f02746d9cfb52feb69f1db72937c98746d905acd..7f83f483ba750e9e149da2c8ed580f5f6fe0dee0 100644
--- a/src/heap/objects-visiting-inl.h
+++ b/src/heap/objects-visiting-inl.h
@@ -85,10 +85,6 @@
       heap,
       HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
       HeapObject::RawField(object, JSArrayBuffer::kSizeWithInternalFields));
-  if (!JSArrayBuffer::cast(object)->is_external()) {
-    heap->RegisterLiveArrayBuffer(true,
-                                  JSArrayBuffer::cast(object)->backing_store());
-  }
   return JSArrayBuffer::kSizeWithInternalFields;
 }
 
@@ -508,8 +504,7 @@
       HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
       HeapObject::RawField(object, JSArrayBuffer::kSizeWithInternalFields));
   if (!JSArrayBuffer::cast(object)->is_external()) {
-    heap->RegisterLiveArrayBuffer(heap->InNewSpace(object),
-                                  JSArrayBuffer::cast(object)->backing_store());
+    heap->RegisterLiveArrayBuffer(JSArrayBuffer::cast(object)->backing_store());
   }
 }