update sv-x-k12 translation
update sv-x-k12 translation

Change-Id: Ie5c1fd2355853ce076e3f18dfcf2dedcd35e59bd
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/247596
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms