old_contents: var camTasklistConf = {
    "dateFormat": {
      "monthName": "MMMM",
      "day": "DD",
      "abbr": "lll",
      "normal": "LLL",
      "long": "LLLL",
      "short": "LL"
    }
  };
  
new_contents: var camTasklistConf = {
    // configure the date format
    // "dateFormat": {
    //   "normal": "LLL",
    //   "long":   "LLLL"
    // }
  };
  
subject: remove default config from user config