Revert "WIP example"

This reverts commit 44bd766.

Author: mischnic

bench/app-router-server/app/client.js

@@ -0,0 +1,5 @@
+import * as React from 'react'
+
+export default function page() {
+  return <div>hello</div>
+}

bench/app-router-server/app/client2.js

@@ -1 +1,5 @@
-module.exports = {}
+module.exports = {
+  experimental: {
+    appDir: true,
+  },
+}

bench/app-router-server/app/page.js

@@ -0,0 +1,9 @@
+import * as React from 'react'
+
+export default function page() {
+  return <div> hello world </div>
+}
+
+export async function getServerSideProps() {
+  return {}
+}