Cleanup ConsStringIteratorOp.

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 36c0fc9a932def2f8776dce56078700b17df4831..02174392c988a5eba7cc66b7654265afa548bee4 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -729,38 +729,17 @@ namespace internal {
 
 class RuntimeState {
  public:
-  StaticResource<ConsStringIteratorOp>* string_iterator() {
-    return &string_iterator_;
-  }
   unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
     return &to_upper_mapping_;
   }
   unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
     return &to_lower_mapping_;
   }
-  ConsStringIteratorOp* string_iterator_compare_x() {
-    return &string_iterator_compare_x_;
-  }
-  ConsStringIteratorOp* string_iterator_compare_y() {
-    return &string_iterator_compare_y_;
-  }
-  ConsStringIteratorOp* string_locale_compare_it1() {
-    return &string_locale_compare_it1_;
-  }
-  ConsStringIteratorOp* string_locale_compare_it2() {
-    return &string_locale_compare_it2_;
-  }
 
  private:
   RuntimeState() {}
-  // Non-reentrant string buffer for efficient general use in the runtime.
-  StaticResource<ConsStringIteratorOp> string_iterator_;
   unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
   unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
-  ConsStringIteratorOp string_iterator_compare_x_;
-  ConsStringIteratorOp string_iterator_compare_y_;
-  ConsStringIteratorOp string_locale_compare_it1_;
-  ConsStringIteratorOp string_locale_compare_it2_;
 
   friend class Isolate;
   friend class Runtime;