update nn translation
update nn translation

Change-Id: I5eec79eabcba39d39af2e6c6b1d1176b3a6f88e1
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/297620
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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