Remove the prototype from all V8 functions that aren't constructors

gin/modules/module_registry.cc

Index: gin/modules/module_registry.cc
diff --git a/gin/modules/module_registry.cc b/gin/modules/module_registry.cc
index 209eb06591dac4f8f433f04edfee9d65bffeb0fb..bf11ec8d7e5564423fe01911ed33d65d73498324 100644
--- a/gin/modules/module_registry.cc
+++ b/gin/modules/module_registry.cc
@@ -94,6 +94,7 @@ Local<FunctionTemplate> GetDefineTemplate(Isolate* isolate) {
       &g_wrapper_info);
   if (templ.IsEmpty()) {
     templ = FunctionTemplate::New(isolate, Define);
+    templ->RemovePrototype();
     data->SetFunctionTemplate(&g_wrapper_info, templ);
   }
   return templ;