title: Woocommerce - Clear cart on user logout
body: <p>I am using woocommerce in wordpress site.</p>
  
  <p>I need to clear cart contents of a logged in user when that user logs out.</p>
  
  <p>I am unable to find any options for the same in plugin settings.</p>
  
  <p>Anyone let me know a way to achieve the same.</p>