[DOCS]: broken link for one of the community renderers

- [x] I have searched the existing issues to make sure this documentation issue has not already been reported.

## Problem Page(s)

[Which page(s) or file(s) in the documentation have problems? (Include URLs or file paths)](https://a2ui.org/ecosystem/renderers/)

## Describe the Issue

`TanXudong-Vivo/A2UI-Android-Renderer` repo no longer exists on Github.