Revert of Optimize add/set/delete operations for string keys in Maps and Sets

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 22c6935fe9a4a5415d27a231210dd0caaea50b4b..b56e9215ab35d5d4c22b11f8eab3af9128fc6e58 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -6356,13 +6356,6 @@
                          Representation::Smi());
   }
 
-  template <typename CollectionType>
-  static HObjectAccess ForOrderedHashTableNumberOfDeletedElements() {
-    return HObjectAccess(kInobject,
-                         CollectionType::kNumberOfDeletedElementsOffset,
-                         Representation::Smi());
-  }
-
   inline bool Equals(HObjectAccess that) const {
     return value_ == that.value_;  // portion and offset must match
   }