message: move babel-helpers to devDependencies
diff: "moment": "^2.19.2"
  },
  "dependencies": {
  - "babel-helpers": "^6.24.1",
  "moment-range": "^3.0.3",
  "react-text-mask": "^5.0.2"
  },
  "babel-cli": "^6.24.1",
  "babel-core": "^6.24.1",
  "babel-eslint": "^8.0.1",
  + "babel-helpers": "^6.24.1",
  "babel-jest": "^21.2.0",
  "babel-loader": "^7.0.0",
  "babel-plugin-external-helpers": "^6.22.0",
  