Revert of [heap] Avoid the use of cells to point from code to new-space objects.

src/heap/heap-inl.h

Index: src/heap/heap-inl.h
diff --git a/src/heap/heap-inl.h b/src/heap/heap-inl.h
index a58a2b74b57ef28158422a7a8cf0b1bbe87bb670..a0a696f78ce3cf064c348f0747cd0c1453be714f 100644
--- a/src/heap/heap-inl.h
+++ b/src/heap/heap-inl.h
@@ -424,12 +424,6 @@
   RememberedSet<OLD_TO_NEW>::Insert(
       Page::FromAddress(reinterpret_cast<Address>(object)),
       HeapObject::cast(object)->address() + offset);
-}
-
-void Heap::RecordWriteIntoCode(Code* host, RelocInfo* rinfo, Object* value) {
-  if (InNewSpace(value)) {
-    RecordWriteIntoCodeSlow(host, rinfo, value);
-  }
 }
 
 void Heap::RecordFixedArrayElements(FixedArray* array, int offset, int length) {