Revert "Restore staging payment and package management"

This reverts commit 751dee39dc, reversing
changes made to 43581ac0f7.

frontend/package.json

@@ -17,17 +17,12 @@
     "worker:rectification-v4": "tsx scripts/rectification-v4-worker.mts"
   },
   "dependencies": {
-    "@ant-design/icons": "^6.3.2",
     "@base-ui/react": "^1.6.0",
     "@gsap/react": "^2.1.2",
     "@mastra/core": "^1.50.1",
-    "@refinedev/antd": "^6.0.3",
-    "@refinedev/core": "^5.0.12",
-    "@refinedev/nextjs-router": "^7.0.5",
     "@supabase/ssr": "^0.12.3",
     "@supabase/supabase-js": "^2.110.5",
     "@tailwindcss/postcss": "^4.3.2",
-    "antd": "^5.29.3",
     "better-auth": "1.6.23",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
@@ -42,7 +37,6 @@
     "react-dom": "19.2.4",
     "react-markdown": "^10.1.0",
     "remark-gfm": "^4.0.1",
-    "server-only": "^0.0.1",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.6.0",
     "tailwindcss": "^4.3.2",