Remove unsupported eslint config from next.config.ts for Next.js 16

next.config.ts

@@ -3,11 +3,6 @@ import type { NextConfig } from "next";
 const nextConfig: NextConfig = {
   transpilePackages: ['@lobehub/icons'],
   output: 'standalone',
-  eslint: {
-    // Pre-existing ESLint errors in hf-client.ts, GoogleSlidesToolbar.tsx etc.
-    // These should be fixed separately from the template refactoring
-    ignoreDuringBuilds: true,
-  },
 };
 
 export default nextConfig;