remove any_ from has_permissions

we branch on any_ to either say "require ALL these permissions" or
"require ANY of these permissions". But we only ever call the decorator
with one permission, or with any_=True, so it's unnecessary

tests/app/main/test_permissions.py

@@ -70,8 +70,7 @@ def test_user_has_permissions_or(
         client,
         user,
         ['send_messages', 'manage_service'],
-        True,
-        kwargs={'any_': True})
+        True)
 
 
 def test_user_has_permissions_multiple(