Simplify room_list_publication_rules structure

- Remove unnecessary fields, use minimal rule set
- Allow all users to publish rooms

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

apps/production/custom-configs/synapse-values.yaml

@@ -53,11 +53,8 @@ data:
             auto_join_rooms:
               - "!NkFTshKWJMgdTqTbTh:axion1337.chat"
             auto_join_rooms_for_guests: false
-        room_list_publication_rules:
+        room_publish:
           config: |
             room_list_publication_rules:
               - user_id: "*"
-                alias: "*"
-                join_rule: public
-                room_type: null
                 action: allow