[es2015] Remove the @@hasInstance protector cell.

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 2acfd6287c261c58e083cb0caa00dc91a233a312..121bff11f6ab7a730586fb69681d2993502d1674 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -991,7 +991,6 @@ class Isolate {
 
   bool IsFastArrayConstructorPrototypeChainIntact();
   inline bool IsArraySpeciesLookupChainIntact();
-  inline bool IsHasInstanceLookupChainIntact();
   bool IsIsConcatSpreadableLookupChainIntact();
   bool IsIsConcatSpreadableLookupChainIntact(JSReceiver* receiver);
   inline bool IsStringLengthOverflowIntact();
@@ -1018,7 +1017,6 @@ class Isolate {
     UpdateArrayProtectorOnSetElement(object);
   }
   void InvalidateArraySpeciesProtector();
-  void InvalidateHasInstanceProtector();
   void InvalidateIsConcatSpreadableProtector();
   void InvalidateStringLengthOverflowProtector();
   void InvalidateArrayIteratorProtector();