docs: remove sponsorship content and QR image

README.md

@@ -381,15 +381,6 @@ CyberStrikeAI has joined [404Starlink](https://github.com/knownsec/404StarLink)
 
 </details>
 
-<details>
-<summary><strong>Sponsorship via WeChat Pay or Alipay</strong></summary>
-
-<div align="center">
-  <img src="./images/sponsor-wechat-alipay-qr.jpg" alt="WeChat Pay and Alipay sponsorship QR codes" width="480">
-</div>
-
-</details>
-
 ## License
 
 CyberStrikeAI is licensed under the Apache License 2.0.  

README_CN.md

@@ -377,15 +377,6 @@ CyberStrikeAI 现已加入 [404星链计划](https://github.com/knownsec/404Star
 
 </details>
 
-<details>
-<summary><strong>通过微信支付或支付宝赞助</strong></summary>
-
-<div align="center">
-  <img src="./images/sponsor-wechat-alipay-qr.jpg" alt="微信与支付宝赞助二维码" width="480">
-</div>
-
-</details>
-
 ## 许可证
 
 CyberStrikeAI 采用 **Apache License 2.0** 开源许可。