Remove NoneType redefinition from clinic.py (#100551)

Author: sobolevn

Tools/clinic/clinic.py

@@ -27,7 +27,6 @@
 import types
 
 from types import *
-NoneType = type(None)
 
 # TODO:
 #
@@ -42,7 +41,6 @@
 
 version = '1'
 
-NoneType = type(None)
 NO_VARARG = "PY_SSIZE_T_MAX"
 CLINIC_PREFIX = "__clinic_"
 CLINIC_PREFIXED_ARGS = {"args"}