update ht translation
update ht translation

Change-Id: Iaf90388a129403d2194c3e80b4a6653d02da1f68
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/223635
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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