manager: remove default ordering for user's table (#50534)

src/authentic2/manager/tables.py

@@ -88,7 +88,6 @@ class UserTable(tables.Table):
                   'last_name', 'ou')
         sequence = ('link', '...')
         empty_text = _('None')
-        order_by = ('first_name', 'last_name', 'email', 'username')
 
 
 class RoleMembersTable(UserTable):

tests/test_manager.py

@@ -869,7 +869,7 @@ def test_manager_role_username_column(app, admin, simple_role):
     login(app, admin, '/manage/')
 
     resp = app.get('/manage/roles/%s/' % simple_role.id)
-    assert resp.html.find('th', {'class': 'asc orderable username'})
+    assert resp.html.find('th', {'class': 'orderable username'})
 
     ou = get_default_ou()
     ou.show_username = False