refactor: remove unused

Author: alick-liming

flashduty/en/1. On-call/8. Integrations/8.1 Alerts integration/8.1.54 Label Mapping API.md

@@ -202,10 +202,3 @@ To prevent security bypasses, request smuggling, IP spoofing, and cache poisonin
 3. **Can result_label_keys be changed dynamically?**
 
    - Yes, you can modify the list of expected labels in Flashduty at any time without modifying the API code
-
-4. **How do I secure my API?**
-
-   - It's recommended to add an `Authorization` header in the mapping service configuration
-   - You can verify the request source IP on the API side
-   - Using HTTPS for encrypted transmission is recommended
-

flashduty/zh/1. On-call/5. 集成引导/8.1 告警集成/8.1.54 标签映射API.md

@@ -202,11 +202,3 @@ POST, Content-Type:"application/json"
 3. **result_label_keys 可以动态变化吗？**
 
    - 是的，您可以在 Flashduty 中随时修改期望获取的标签列表，无需修改 API 代码
-
-4. **如何保护我的 API 安全？**
-
-   - 推荐在映射服务配置中添加 `Authorization` 请求头
-   - 可以在 API 端验证请求来源 IP
-   - 建议使用 HTTPS 加密传输
-
-