fixed fd6d9d6c from https://gitee.com/duangavin123/docs/pulls/7416

update zh-cn/device-dev/subsystems/subsys-boot.md.
Signed-off-by: Nduangavin123 <duanxichao@huawei.com>

zh-cn/device-dev/subsystems/subsys-boot.md

@@ -6,6 +6,5 @@
 - **[init启动引导组件](subsys-boot-init.md)**
 - **[appspawn应用孵化组件](subsys-boot-appspawn.md)**
 - **[bootstrap服务启动组件](subsys-boot-bootstrap.md)**
-- **[syspara系统属性组件](subsys-boot-syspara.md)**
 - **[常见问题](subsys-boot-faqs.md)**
 - **[参考](subsys-boot-ref.md)**
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