Replaced 'Start a New Course' button

Now redirects to sfu_course_form plugin
Revert "Replaced 'Start a New Course' button"

This reverts commit e602242988db13a12d5a84059a3a595e142efa8c.
Accidental push to sfu-deploy

Signed-off-by: Graham Ballantyne <grahamb@sfu.ca>