Rm wheel dep from collections_runtime_pythonpath

This build dep never needed to be listed explicitly or for sdists.
Additionally, the latest `setuptools` versions vendor it and no longer
inject it as a dependency.

test/integration/targets/collections_runtime_pythonpath/ansible-collection-python-dist-boo/pyproject.toml

@@ -1,6 +1,5 @@
 [build-system]
 requires = [
   "setuptools >= 44",
-  "wheel",
 ]
 build-backend = "setuptools.build_meta"