chore(init): avoid showing site data to avoid confusion

close #2051

template/api-examples.md

@@ -12,14 +12,11 @@ The main `useData()` API can be used to access site, theme, and page data for th
 <script setup>
 import { useData } from 'vitepress'
 
-const { site, theme, page, frontmatter } = useData()
+const { theme, page, frontmatter } = useData()
 </script>
 
 ## Results
 
-### Site Data
-<pre>{{ site }}</pre>
-
 ### Theme Data
 <pre>{{ theme }}</pre>
 
@@ -38,9 +35,6 @@ const { site, theme, page, frontmatter } = useData()
 
 ## Results
 
-### Site Data
-<pre>{{ site }}</pre>
-
 ### Theme Data
 <pre>{{ theme }}</pre>