title: Jupyter: disable restart kernel warning
body: <p>I'm using jupyter 4.1.0, and I find myself making frequent use of the "Restart &amp; Run All" feature. Every time I use that button it displays this warning:</p>
  
  <p><a href="https://i.stack.imgur.com/6ivFW.png" rel="noreferrer"><img src="https://i.stack.imgur.com/6ivFW.png" alt="enter image description here"></a></p>
  
  <p>Is there a way to disable that warning?</p>