remove unncessary packages & files

frontend/package.json

@@ -13,13 +13,9 @@
   },
   "dependencies": {
     "@react-oauth/google": "^0.12.2",
-    "axios": "^1.11.0",
     "clsx": "^2.1.1",
-    "dotenv": "^16.5.0",
     "flowbite-react": "^0.11.8",
-    "js-cookie": "^3.0.5",
     "lucide-react": "^0.511.0",
-    "path": "^0.12.7",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-range-slider-input": "^3.2.1",
@@ -39,7 +35,6 @@
     "tailwindcss": "^4.3.3",
     "typescript": "~5.8.3",
     "typescript-eslint": "^8.30.1",
-    "vite": "^6.3.5",
-    "vite-plugin-mkcert": "^1.17.8"
+    "vite": "^6.3.5"
   }
 }