update zh-Hant translation
update zh-Hant translation

Change-Id: Iaf20155f650bcc72d3f66547f6cd7a4d497e9921

SwinburneOnline/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms