Removing unused react-router-devtools

Author: mikecousins

apps/demo-react-router/package.json

@@ -29,7 +29,6 @@
     "@types/node": "^22.18.8",
     "@types/react": "^19.2.0",
     "@types/react-dom": "^19.2.0",
-    "react-router-devtools": "^1.1.10",
     "tailwindcss": "^4.1.14",
     "typescript": "^5.9.3",
     "vite": "^6.3.6",