refactor(deploy): remove per-app tunnel in favour of central cloudflared

Routing now handled by central cloudflared + NPM on public-network.

deploy/docker-compose.yml

@@ -14,18 +14,6 @@ services:
     networks:
       - public-network
 
-  tunnel:
-    image: cloudflare/cloudflared:latest
-    container_name: py-dvt-ate-tunnel
-    restart: unless-stopped
-    command: tunnel run
-    environment:
-      - TUNNEL_TOKEN=${CLOUDFLARE_TUNNEL_TOKEN}
-    depends_on:
-      - streamlit
-    networks:
-      - public-network
-
 networks:
   public-network:
     external: true