'Remove the given course from the course index.
Only removes the course from the index. The data remains. You can use create_course
with a versions hash to restore the course; however, the edited_on and
edited_by won\'t reflect the originals, of course.'

def delete_course(self, course_key, user_id):

    log.info(u'deleting    course    from    split-mongo:    %s', course_key)
    self.delete_course_index(course_key)
    self._emit_course_deleted_signal(course_key)
