title: How to remove existing sessions by specific principal name
body: <p>I'm using Spring Session 1.3.0 with Redis backend in my project.</p>
  
  <p>I have an use case that the super admin might update the roles of existing user who might already logged in. I want to delete the existing session records for those users after changing their roles.</p>
  
  <p>Is there API of Spring Session to archive it?</p>