Remove commented out stuff
Remove commented out stuff

jhamrick/nbgrader,jupyter/nbgrader,ellisonbg/nbgrader,jhamrick/nbgrader,EdwardJKim/nbgrader,ellisonbg/nbgrader,EdwardJKim/nbgrader,ellisonbg/nbgrader,jhamrick/nbgrader,ellisonbg/nbgrader,EdwardJKim/nbgrader,jupyter/nbgrader,jhamrick/nbgrader,jupyter/nbgrader,EdwardJKim/nbgrader,jupyter/nbgrader,jupyter/nbgrader