Step 1: Semi-successful

I have been able to *finally* display a randomized order of students.
I'm ignoring the positioning until the very end of this assignment.
I am unsure how to stop it from showing the same person more than once.
Conceptually I know that I could try removing the selected person from
the set once they are displayed but I can't figure out how to insert it
into line 8 of javascript.js