do not emit type_test_utility_code when type-testing builtin types

Cython/Compiler/ExprNodes.py

@@ -4367,6 +4367,7 @@ class PyTypeTestNode(CoercionNode):
         self.type = dst_type
         self.gil_check(env)
         self.result_ctype = arg.ctype()
+        if not dst_type.is_builtin_type:
             env.use_utility_code(type_test_utility_code)
 
     gil_message = "Python type test"