Disinherit PropertyCell from Cell

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 388c079742facfc0b7ba38c4dbae1ff825eb6c6c..8219f3ed2200af69a9e1bae3e97c179300f60b4f 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -6138,9 +6138,6 @@ class HObjectAccess FINAL {
                                 Representation representation,
                                 Handle<String> name);
 
-  // Create an access for the payload of a Cell or JSGlobalPropertyCell.
-  static HObjectAccess ForCellPayload(Isolate* isolate);
-
   static HObjectAccess ForJSTypedArrayLength() {
     return HObjectAccess::ForObservableJSObjectOffset(
         JSTypedArray::kLengthOffset);