var interval = setInterval(removeOne, 30) // execute removeOne() every 30 milliseconds

var lastNumVideos = 0 // the number of displayed videos in the last execution of removeOne()

function removeOne () {
  var numVideos = document.querySelectorAll('.pl-video-edit-remove').length // number of videos displayed
  if (numVideos === lastNumVideos) {
    return // skip removal if the previously removed video is still present
  }
  if (numVideos < 1) {
    try {
      document.querySelector('.browse-items-load-more-button').click() // click load more if there are no displayed videos
    } catch (err) {
      console.log('Load More button is missing. Refresh the page and restart the script to remove more videos.')
      clearInterval(interval) // stop repeating removeOne()
    }
  } else {
    document.querySelector('.pl-video-edit-remove').click() // remove top most video
    lastNumVideos = numVideos
  }
}