docs: remove personal WeChat QR, keep group QR only (#138)

Co-authored-by: Panniantong <panniantong@users.noreply.github.com>

README.md

@@ -336,15 +336,8 @@ Yes! Agent Reach is an installer + configuration tool — any AI coding agent th
 
 ## 联系
 
-有合作意向、功能建议，或者想聊聊 AI Agent 的——欢迎联系）：
-
 - 📧 **Email:** pnt01@foxmail.com
 - 🐦 **Twitter/X:** [@Neo_Reidlab](https://x.com/Neo_Reidlab)
-- 💬 **微信:** 扫码添加（注明意图）
-
-<p align="center">
-  <img src="docs/wechat-qr.jpg" width="280" alt="WeChat QR">
-</p>
 
 想交流 AI Agent 使用心得、分享最新玩法和技巧？欢迎加入微信交流群，群里都是实战派：
 

docs/README_en.md

@@ -300,15 +300,8 @@ Install douyin-mcp-server, then your agent can use `mcporter call 'douyin.parse_
 
 ## Contact
 
-Interested in collaboration, have feature ideas, or just want to chat about AI Agents? Reach out:
-
 - 📧 **Email:** pnt01@foxmail.com
 - 🐦 **Twitter/X:** [@Neo_Reidlab](https://x.com/Neo_Reidlab)
-- 💬 **WeChat:** Scan to add (please mention your intent)
-
-<p align="center">
-  <img src="wechat-qr.jpg" width="280" alt="WeChat QR">
-</p>
 
 Want to exchange AI Agent tips, share workflows, and learn from power users? Join our WeChat community group: