Remove deprecated website

Author: Xiao9905

README.md

@@ -3,7 +3,7 @@
 ![](./assets/cover.jpg)
 
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-   <a href="https://llmbench.ai" target="_blank">🌐 Website</a> | <a href="https://twitter.com/thukeg" target="_blank">🐦 Twitter</a> | <a href="mailto:agentbench@googlegroups.com">✉️ Google Group</a> | <a href="https://arxiv.org/abs/2308.03688" target="_blank">📃 Paper </a>
+   <a href="https://twitter.com/thukeg" target="_blank">🐦 Twitter</a> | <a href="mailto:agentbench@googlegroups.com">✉️ Google Group</a> | <a href="https://arxiv.org/abs/2308.03688" target="_blank">📃 Paper </a>
 </p>
 
 <p align="center">