Revert "(xxx) update sample"

This reverts commit cbbcb7885cfbc716b8ffa19887ea5e75982a61cd.

samples/003.html

@@ -9,14 +9,7 @@
       console.warn("This is a warning")
       console.info("Very important information")
       console.error("Failed to send your very important data to Google")
-
-      let x = btoa("Hello world")
-      console.log(x)
     </script>
     <h1>Check your console, there must be a few log messages there :^)</h1>
-    <p>There should be 5 logs.</p>
-
-    <h2>There aren't that many logs (or there's none!)</h2>
-    <p>File a bug report.</p>
   </body>
 </html>