1.1.3dev: Removed `cnx` attribute from `EnvironmentStub.get_known_users()`. Refs #11605.

This change should have been made in [12842].


git-svn-id: http://trac.edgewall.org/intertrac/log:/trunk@13465 af82e41b-90c4-0310-8c96-b1721e28e2e2