Remove duplicate code.

Cython/Utility/ModuleSetupCode.c

@@ -829,16 +829,6 @@ static CYTHON_INLINE PyObject * __Pyx_PyDict_GetItemStrWithError(PyObject *dict,
   #define PySet_CheckExact(obj)        __Pyx_IS_TYPE(obj, &PySet_Type)
 #endif
 
-
-#if PY_VERSION_HEX >= 0x030900A4
-  #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
-  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
-#else
-  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
-  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
-#endif
-
-
 #if PY_VERSION_HEX >= 0x030900A4
   #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
   #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)