update zh-Hant translation
update zh-Hant translation

Change-Id: Icb0c93f05515dd3cf112966d454c5bfe05fb088a

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