[zh] Resync federation content cleanup

This is a resync of the English site change (05bf8be).

Author: tengqm

content/zh/docs/contribute/style/content-organization.md

@@ -180,8 +180,6 @@ Another widely used example is the `includes` bundle. It sets `headless: true` i
 ```bash
 en/includes
 ├── default-storage-class-prereqs.md
-├── federated-task-tutorial-prereqs.md
-├── federation-content-moved.md
 ├── index.md
 ├── partner-script.js
 ├── partner-style.css