goodbye-cruel-world.js

function deleteNextTweet() {
  var deleteButton = $('.js-stream-item > div:not(.retweeted) a.js-action-del')[0];
  if (deleteButton) {
    deleteButton.click();
    setTimeout(confirmDeleteTweet, 1000);
  } else {
    console.log('no more tweets');
  }
}

function confirmDeleteTweet() {
  var deleteButton = $('#delete-tweet-dialog button.delete-action')[0];
  if (deleteButton) {
    deleteButton.click();
    setTimeout(deleteNextTweet, 500);
  } else {
    console.log('no delete to confirm')
  }
}

deleteNextTweet();