update zh-Hant translation
update zh-Hant translation

Change-Id: I731af763a0d310e4c9fa46be73841f47f1b743b2

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