remove simclient and update setup mode

docker-compose.yml

@@ -159,21 +159,5 @@ services:
     networks:
       - infoscreen-net
 
-  simclient:
-    build:
-      context: ./simclient
-      dockerfile: Dockerfile
-    image: infoscreen-simclient:latest
-    container_name: infoscreen-simclient
-    restart: unless-stopped
-    depends_on:
-      mqtt:
-        condition: service_healthy
-    environment:
-      MQTT_BROKER_URL: mqtt
-      MQTT_PORT: 1883
-    networks:
-      - infoscreen-net
-
 volumes:
    db-data: