Update README.zh-CN.md

Author: caikelun

README.zh-CN.md

@@ -125,7 +125,6 @@ Tombstone 文件默认将被写入到 `Context#getFilesDir() + "/tombstones"` 
 
 * [GitHub Issues](https://github.com/iqiyi/xCrash/issues)
 * [GitHub Discussions](https://github.com/iqiyi/xCrash/discussions)
-* [Telegram Public Group](https://t.me/android_native_geeks)
 * Email: <a href="mailto:[email protected]">[email protected]</a>, <a href="mailto:[email protected]">[email protected]</a>