Revert basePath - conflicts with nginx proxy strip

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

next.config.ts

@@ -1,8 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  basePath: '/leopost',
-  assetPrefix: '/leopost',
+  /* config options here */
 };
 
 export default nextConfig;