update el translation
update el translation

Change-Id: Iae7e77dfc94bee79b41fbae7e73553a667c44801
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/285493
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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