Properly set up the code flags of the turbofan interceptor stubs.

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index 9369004752a1c8e9d38e007df5d63093f22a1ec9..9738baed313da17399653ef78729874bb4b02978 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -374,12 +374,6 @@ Callable CodeFactory::SubString(Isolate* isolate) {
 
 
 // static
-Callable CodeFactory::StoreInterceptor(Isolate* isolate) {
-  StoreInterceptorStub stub(isolate);
-  return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
-}
-
-// static
 Callable CodeFactory::ResumeGenerator(Isolate* isolate) {
   return Callable(isolate->builtins()->ResumeGeneratorTrampoline(),
                   ResumeGeneratorDescriptor(isolate));