Do not require wheel for building

- current version of setuptools (70.1+) does not need wheel at all
- older versions of setuptools would fetch wheel when building wheels (but not sdists)

Author: hroncok

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=40.8.0", "wheel"]
+requires = ["setuptools>=40.8.0"]
 build-backend = "setuptools.build_meta"
 
 [tool.pytest.ini_options]