[regexp] Remove unused code

src/code-factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-factory.h"
 
 #include "src/bootstrapper.h"
 #include "src/ic/ic.h"
 
 namespace v8 {
@@ skipping 180 matching lines @@
                   TypeConversionDescriptor(isolate));
 }
 
 // static
 Callable CodeFactory::NumberToString(Isolate* isolate) {
   NumberToStringStub stub(isolate);
   return make_callable(stub);
 }
 
 // static
-Callable CodeFactory::RegExpConstructResult(Isolate* isolate) {
-  RegExpConstructResultStub stub(isolate);
-  return make_callable(stub);
-}
-
-// static
 Callable CodeFactory::RegExpExec(Isolate* isolate) {
   RegExpExecStub stub(isolate);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
 }
 
 #define DECLARE_TFS(Name, Kind, Extra, InterfaceDescriptor) \
   typedef InterfaceDescriptor##Descriptor Name##Descriptor;
 BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, DECLARE_TFS,
              IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN)
 #undef DECLARE_TFS
@@ skipping 277 matching lines @@
 }
 
 // static
 Callable CodeFactory::InterpreterOnStackReplacement(Isolate* isolate) {
   return Callable(isolate->builtins()->InterpreterOnStackReplacement(),
                   ContextOnlyDescriptor(isolate));
 }
 
 }  // namespace internal
 }  // namespace v8