Revert "test(check-links): 反向验证探针 —— 故意把一条相对链接改指不存在路径 (#6028)"

This reverts commit 34b5d9f.

Author: claude

content/docs/kernel/services-checklist.mdx

@@ -185,7 +185,7 @@ no message. Below is the former — the fallback case:
 
 A service may self-declare that it is not the full thing (ADR-0076 D12), via a
 `__serviceInfo: { status, handlerReady?, message? }` property on the registered
-instance — see [Services → presence is not capability](./services-probe-6028-does-not-exist.mdx) for how
+instance — see [Services → presence is not capability](./services.mdx) for how
 an in-process caller reads it. The two values mean different things, and for the
 HTTP surface the difference is load-bearing (#4058):