fix #448: remove the missed jaraco.windows reference

RonnyPfannschmidt · RonnyPfannschmidt · commit a1b24696f719 · 2020-05-26T21:41:52.000+02:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools>=34.4", "wheel", "jaraco.windows; python_version < '3'"]
+requires = ["setuptools>=34.4", "wheel"]
 build-backend = "setuptools.build_meta"
