remove extraneous settings

test/remote/settings.json.example

@@ -9,11 +9,6 @@
   "packet_repeats": 50,
   "http_repeat_factor": 1,
   "auto_restart_period": 0,
-  "mqtt_topic_pattern": "milight_test/commands/:device_id/:device_type/:group_id",
-  "mqtt_update_topic_pattern": "milight_test/update/:device_id/:device_type/:group_id",
-  "mqtt_state_topic_pattern": "milight/states/:device_id/:device_type/:group_id",
-  "mqtt_lwt_topic": "milight/lwt",
-  "mqtt_lwt_message": "disconnected",
   "discovery_port": 0,
   "listen_repeats": 3,
   "state_flush_interval": 2000,