Don't mark remote contexts as callable.

src/api-natives.cc

Index: src/api-natives.cc
diff --git a/src/api-natives.cc b/src/api-natives.cc
index 87138bd5cf7d2c4de4ca21d786aab7cf912966e9..045ff470ab232e0639a49a98b22379764c70e0c6 100644
--- a/src/api-natives.cc
+++ b/src/api-natives.cc
@@ -538,8 +538,6 @@ MaybeHandle<JSObject> ApiNatives::InstantiateRemoteObject(
   JSFunction::SetInitialMap(object_function, object_map,
                             isolate->factory()->null_value());
   object_map->set_is_access_check_needed(true);
-  object_map->set_is_callable();
-  object_map->set_is_constructor(true);
 
   Handle<JSObject> object = isolate->factory()->NewJSObject(object_function);
   JSObject::ForceSetPrototype(object, isolate->factory()->null_value());