Revert 20348 - "Fix LoadFieldByIndex to take mutable heap-numbers into account."

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 78d2b8a038feb2fda955af5b39a24dd2d74ad1ea..9a6b26aaf11a9afd280ccd0bfca53a0c1e54cad5 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -5641,15 +5641,6 @@ Handle<JSObject> JSObject::Copy(Handle<JSObject> object) {
 }
 
 
-Handle<Object> JSObject::FastPropertyAt(Handle<JSObject> object,
-                                        Representation representation,
-                                        int index) {
-  Isolate* isolate = object->GetIsolate();
-  CALL_HEAP_FUNCTION(isolate,
-                     object->FastPropertyAt(representation, index), Object);
-}
-
-
 template<class ContextObject>
 class JSObjectWalkVisitor {
  public: