more cleanup

examples/storytelling-chatbot/frontend/next.config.mjs

@@ -1,15 +0,0 @@
-/** @type {import('next').NextConfig} */
-const nextConfig = {
-  output: "export",
-
-  async rewrites() {
-    return [
-      {
-        source: "/:path*",
-        destination: "http://localhost:7860/:path*",
-      },
-    ];
-  },
-};
-
-export default nextConfig;