Revert "Set is_autograded=true in saveAutograde() function"
Revert "Set is_autograded=true in saveAutograde() function"

This reverts commit 511af9873d267e624608b850aeef6d3cd953c590.

autolab/Autolab,cg2v/Autolab,cg2v/Autolab,autolab/Autolab,cg2v/Autolab,autolab/Autolab,autolab/Autolab,cg2v/Autolab,autolab/Autolab,autolab/Autolab,cg2v/Autolab,cg2v/Autolab