CLC-3399 - Removed Rosters::Campus#user_authorized? as logic has been moved to Berkeley::CoursePolicy
CLC-3399 - Removed Canvas::CanvasRosters#user_authorized? as logic was moved to Canvas::CoursePolicy
CLC-3399 - Added Canvas::CoursePolicy#can_view_course_roster_photos? as alias of #is_canvas_course_teacher_or_assistant?