update el translation
update el translation

Change-Id: I5c258553f5c00de0d3f562e3f9f4b6ef4bd489b3
Reviewed-on: https://gerrit.instructure.com/211238
Tested-by: Jenkins

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