update nn translation
update nn translation

Change-Id: Iff9cc10055755c97e83cfe26f2aec9b1016d36d9
Reviewed-on: https://gerrit.instructure.com/207308
Tested-by: Jenkins

instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,djbender/canvas-lms