www/py-django-auth-ldap: Update to 4.0.0
- Python 3.6 is now gone from the Ports so remove the cruft that was required for it.
- Add a workaround to make the port still buildable with Python's distutils by using the "setup.py" from the previous release.
Changelog:
https://github.com/django-auth-ldap/django-auth-ldap/releases/tag/4.0.0
MFH: 2022Q1
(cherry picked from commit ea65e53e24760311cacaa8d62a0daf0333e89123)