In order to take a candidate off of the shortlist you first click
the name of the person you wish to remove. You will see their
profile and scores on the right. You will see two buttons at the
top of the screen beneath their name - one button for "HIRE" and
one for "REJECT". Click the reject button and the candidate will be
moved out of the shortlist and into the rejected section. If you want them to go into the "to be reviewed" section again then you will need to click on the persons name and then on the right click "To Be Reviewed".