JSFiddle - React, Tailwind, and code Playground

JavaScript

(function() {
  var data = [{
      "time": "2019-03-14T07:03:45.348Z",
      "timestamp": "2019-01-11T12:00:00.0000000Z",
      "open": 6598,
      "high": 6616.5,
      "low": 6597,
      "close": 6613,
      "volume": 30635
    },
    {
      "time": "2019-03-14T07:03:45.348Z",
      "timestamp": "2019-01-11T12:00:00.0000000Z",
      "open": 6598,
      "high": 6616.5,
      "low": 6597,
      "close": 6613,
      "volume": 30635
    }
  ];

  for (var i = 0; i < data.length; i++) {
    delete data[i].time;
  }

  console.log(data);
})();