Removed Django version number from project description.

Falls out of sync with other (canonical) metadata.

Author: carltongibson

setup.cfg

@@ -4,7 +4,7 @@ version = attr: channels.__version__
 url = http://github.com/django/channels
 author = Django Software Foundation
 author_email = [email protected]
-description = Brings async, event-driven capabilities to Django 3.2 and up.
+description = Brings async, event-driven capabilities to Django.
 long_description = file: README.rst
 long_description_content_type = text/x-rst
 license = BSD