{
  "extends": "airbnb-base",
  "parserOptions": {
    "ecmaVersion": 5
  },
  "rules": {
    "no-var": "off"
  }
}

{
  "extends": "airbnb-base",
  "rules": {
    "no-var": "off"
  }
}

Remove useless parserOptions for eslint
Remove useless parserOptions for eslint
