Remove redundant wheel dep from pyproject.toml

Remove the redundant `wheel` dependency, as it is added by the backend
automatically.  Listing it explicitly in the documentation was
a historical mistake and has been fixed since, see:
pypa/setuptools@f7d30a9

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=41.0.1", "wheel>=0.29.0", "Cython>=3.0.0a11"]
+requires = ["setuptools>=41.0.1", "Cython>=3.0.0a11"]
 build-backend = "setuptools.build_meta"  # comment out to disable pep517
 
 [tool.coverage.run]