fix(ci): remove packageManager from package.json

Author: D3SOX

package.json

@@ -8,7 +8,6 @@
     "watch": "spicetify-creator --watch"
   },
   "license": "MIT",
-  "packageManager": "pnpm@10.17.1",
   "devDependencies": {
     "@types/react": "^19.1.12",
     "@types/react-dom": "^19.1.9",