Revert "chore: migrate JS CDN to Sipeed CDN for faster China access (#1)" (#2)

This reverts commit 287f00f.

Author: imguoguo

docs/device.html

@@ -9,7 +9,7 @@
   <script async src="https://www.googletagmanager.com/gtag/js?id=G-9SCXT645JD"></script>
   <script>window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments);}gtag('js',new Date());gtag('config','G-9SCXT645JD');</script>
   <link rel="stylesheet" href="css/style.css">
-  <script src="https://llmdev.sipeed.com/js/marked.min.js"></script>
+  <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
   <style>
     .device-detail {
       max-width: 900px;

docs/index.html

@@ -220,8 +220,8 @@ <h1><span>AI Agent</span> <span data-i18n="site_title">本地LLM推理设备部
 
   </div>
 
-  <script src="https://llmdev.sipeed.com/js/plotly-2.35.0.min.js"></script>
-  <script src="https://llmdev.sipeed.com/js/marked.min.js"></script>
+  <script src="https://cdn.plot.ly/plotly-2.35.0.min.js"></script>
+  <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
   <script src="js/i18n.js"></script>
   <script src="js/app.js"></script>
 </body>