function moveRemove(path, suffix) {
  const tmpDest = temp.path({suffix});
  // move it first
  const pendingMove = move(path, tmpDest).catch(noop);
  // then delete it (fire and forget)
  pendingMove.then(() => remove(tmpDest).catch(noop));
  return pendingMove;
}
Moves a folder immediately then deletes it in the background.
@param {string} path 
@param {string} (optional) suffix