docs(contributing): drop removed Turkish docs paths from Path A

docs/content/docs/contributing.cn.mdx

@@ -242,9 +242,10 @@ rg "要查找的文字" apps/desktop/src crates src-tauri packages
 ```text
 docs/content/docs/example.mdx
 docs/content/docs/example.cn.mdx
-docs/content/docs/example.tr.mdx
 ```
 
+当前文档站语言以 `docs/lib/i18n.ts`、`docs/scripts/languages.mjs` 为准（现为 `en` / `cn`）。
+
 启动文档站：
 
 ```bash
@@ -264,7 +265,6 @@ pnpm dev
 ```text
 docs/content/docs/meta.json
 docs/content/docs/meta.cn.json
-docs/content/docs/meta.tr.json
 ```
 
 提交前先运行快速内容检查，再执行完整文档构建：

docs/content/docs/contributing.mdx

@@ -242,9 +242,10 @@ Documentation is the easiest first contribution. Every language uses the same ba
 ```text
 docs/content/docs/example.mdx
 docs/content/docs/example.cn.mdx
-docs/content/docs/example.tr.mdx
 ```
 
+Docs site languages follow `docs/lib/i18n.ts` and `docs/scripts/languages.mjs` (currently `en` / `cn`).
+
 Start the docs site:
 
 ```bash
@@ -264,7 +265,6 @@ Open the local address printed in the terminal. When adding a page, also registe
 ```text
 docs/content/docs/meta.json
 docs/content/docs/meta.cn.json
-docs/content/docs/meta.tr.json
 ```
 
 Run the fast content check and then the full documentation build before submitting: