[regexp] Remove unused code

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index ce588e7bc8ce3f2340e13ce51668915534a4a650..d7c48274afab16db50fad7cb0917e819fd17cc5f 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -198,12 +198,6 @@ Callable CodeFactory::NumberToString(Isolate* isolate) {
 }
 
 // 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());