chore: 移除多余的 nginx 服务配置

系统已有 Nginx 运行，不需要 Docker 内的 nginx 容器

docker-compose.yaml

@@ -61,18 +61,6 @@ services:
       timeout: 5s
       retries: 5
 
-  nginx:
-    image: nginx:alpine
-    ports:
-      - "80:80"
-      - "443:443"
-    volumes:
-      - ./nginx.conf:/etc/nginx/nginx.conf:ro
-      - ./ssl:/etc/nginx/ssl:ro
-    depends_on:
-      - pit-router
-    restart: unless-stopped
-
 volumes:
   pit-data:
   pit-logs: