chore: remove viteconf23 badge

Author: ShenQingchuan

index.md

@@ -21,9 +21,6 @@ hero:
     - theme: alt
       text: 在 GitHub 上查看
       link: https://github.com/vitejs/vite
-    - theme: brand
-      text: 🎉 ViteConf 23!
-      link: https://viteconf.org/23/replay?utm=vite-homepage
 
 features:
   - icon: 💡
@@ -53,4 +50,4 @@ import { fetchReleaseTag } from './.vitepress/utils/fetchReleaseTag.js'
 onMounted(() => {
   fetchReleaseTag()
 })
-</script>
+</script>