fix: 🐛 移除账户管理相关链接，以修复构建问题

Author: chaoji233

docs/.vitepress/config.mts

@@ -147,7 +147,6 @@ export default defineConfig({
               items: [
                 { text: '映射使用教程', link: '/docs/use/mapping' },
                 { text: '映射开机自启', link: '/docs/use/autostart' },
-                { text: '注册与注销账户', link: '/docs/use/account' }
               ],
             },
             {

docs/docs/index.md

@@ -20,13 +20,6 @@
       <p>选择合适的客户端版本</p>
     </div>
   </a>
-  <a class="group-card" href="/docs/use/account">
-    <div class="card-icon">👤</div>
-    <div class="card-content">
-      <h3>账户管理</h3>
-      <p>注册、登录、注销账户</p>
-    </div>
-  </a>
 </div>
 
 ## 🎮 游戏联机