message: Remove polymer-modulizer's prepare script.
diff: "lint": "tslint -p ./",
  "format": "find bin src test | grep \"\\.js$\\|\\.ts$\" | xargs clang-format --style=file -i",
  "clean": "rm -rf ./lib/",
  - "prepublishOnly": "npm test",
  - "prepare": "npm run build"
  + "prepublishOnly": "npm test"
  },
  "engines": {
  "node": ">=8.0.0"
  