remove trailing comma in i18n.js
remove trailing comma in i18n.js

Change-Id: Ie527c92b61165e03a155570fc4537e6a32a3f198
Reviewed-on: https://gerrit.instructure.com/4170
Reviewed-by: Jon Jensen <44f878afe53efc66b76772bd845eb65944ed8232@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

AndranikMarkosyan/lms,landonwilkins/canvas-lms,ankithbti/canvas_lms,antoniuslin/canvas-lms,wimemx/Canvas,kyroskoh/canvas-lms,merichar/canvas-lms,Unow/canvas-lms,parbros/red-innovadores-lms,eCNAP/CANVAS,eCNAP/CANVAS,em2/canvas-lms,Unow/ins,roxolan/canvas-lms,efrj/canvas-lms,samuels410/greatlakes-lms,sfu/canvas-lms,narigone/canvas,parbros/red-innovadores-lms,usmschuck/canvas,sfu/canvas-lms,leftplusrightllc/canvas-lms,sfu/canvas-lms,shidao-fm/canvas-lms,sdeleon28/canvas-lms,wye0220/shindig-canvas,tgroshon/canvas-lms,juoni/canvas-lms,juoni/canvas-lms,va7map/canvas-lms,arrivu/hiring-site,icelab/canvas,dgynn/canvas-lms,rup/Tarrax,landonwilkins/canvas-lms,icelab/canvas,roxolan/canvas-lms,skmezanul/canvas-lms,venturehive/canvas-lms,Rvor/canvas-lms,merichar/canvas-lms,ottenhoff/canvas-lms,em2/canvas-lms,gbleydon/canvas-lms,sfu/canvas-lms,em2/canvas-lms,gbleydon/canvas-lms,arrivu/qibla-ecampus,utkarshx/canvas-lms,SwinburneOnline/canvas-lms,fronteerio/canvas-lms,AndranikMarkosyan/lms,eCNAP/CANVAS,snehakachroo1/LSI_replica,matematikk-mooc/canvas-lms,nditech/red-innovadores-lms,utkarshx/canvas-lms,fronteerio/canvas-lms,venturehive/canvas-lms,rup/Tarrax,Unow/ins,grahamb/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,shidao-fm/canvas-lms,ottenhoff/canvas-lms,greyhwndz/canvas-lms,SwinburneOnline/canvas-lms,wimemx/Canvas,instructure/canvas-lms,nditech/red-innovadores-lms,Jyaasa/canvas-lms,djbender/canvas-lms,arrivu/jigsaw-lms,greyhwndz/canvas-lms,antoniuslin/canvas-lms,wrdsb/canvas-lms,arrivu/hiring-site,AndranikMarkosyan/lms,snehakachroo1/LSI_replica,instructure/canvas-lms,usmschuck/canvas,SwinburneOnline/canvas-lms,djbender/canvas-lms,wimemx/Canvas,efrj/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,HotChalk/canvas-lms,faraazkhan/canvas,dgynn/canvas-lms,Unow/canvas-lms,SwinburneOnline/canvas-lms,va7map/canvas-lms,wye0220/shindig-canvas,venturehive/canvas-lms,antoniuslin/canvas-lms,instructure/canvas-lms,sli7246/canvas_branch,djbender/canvas-lms,efrj/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,grahamb/canvas-lms,antoniuslin/canvas-lms,sdeleon28/canvas-lms,whalejasmine/canvas-lms,skmezanul/canvas-lms,leftplusrightllc/canvas-lms,instructure/canvas-lms,wye0220/shindig-canvas,whalejasmine/canvas-lms,instructure/canvas-lms,arrivu/hoodemo,dgynn/canvas-lms,juoni/canvas-lms,roxolan/canvas-lms,samuels410/greatlakes-lms,ShreniiNepal/shrenii_lmp,Unow/canvas-lms,greyhwndz/canvas-lms,HotChalk/canvas-lms,grahamb/canvas-lms,nditech/red-innovadores-lms,arrivu/hoodemo,matematikk-mooc/canvas-lms,HotChalk/canvas-lms,rup/Tarrax,arrivu/hiring-site,ottenhoff/canvas-lms,sfu/canvas-lms,fronteerio/canvas-lms,whalejasmine/canvas-lms,faraazkhan/canvas,ankithbti/canvas_lms,kyroskoh/canvas-lms,tgroshon/canvas-lms,ankithbti/canvas_lms,juoni/canvas-lms,arrivu/qibla-ecampus,wrdsb/canvas-lms,landonwilkins/canvas-lms,matematikk-mooc/canvas-lms,whalejasmine/canvas-lms,jay3126/canvas-lms,va7map/canvas-lms,redconfetti/canvas-lms,kyroskoh/canvas-lms,matematikk-mooc/canvas-lms,merichar/canvas-lms,arrivu/jigsaw-lms,leftplusrightllc/canvas-lms,Unow/ins,arrivu/arrivu-lms,instructure/canvas-lms,sfu/canvas-lms,sdeleon28/canvas-lms,tgroshon/canvas-lms,va7map/canvas-lms,Jyaasa/canvas-lms,snehakachroo1/LSI_replica,samuels410/greatlakes-lms,narigone/canvas,grahamb/canvas-lms,AndranikMarkosyan/lms,redconfetti/canvas-lms,ShreniiNepal/shrenii_lmp,utkarshx/canvas-lms,nditech/red-innovadores-lms,sli7246/canvas_branch,roxolan/canvas-lms,djbender/canvas-lms,Jyaasa/canvas-lms,icelab/canvas,jay3126/canvas-lms,arrivu/arrivu-lms,Rvor/canvas-lms,eCNAP/CANVAS,sli7246/canvas_branch,redconfetti/canvas-lms,arrivu/jigsaw-lms,Rvor/canvas-lms,jay3126/canvas-lms,landonwilkins/canvas-lms,ShreniiNepal/shrenii_lmp,faraazkhan/canvas,tgroshon/canvas-lms,arrivu/hoodemo,samuels410/greatlakes-lms,gbleydon/canvas-lms,snehakachroo1/LSI_replica,instructure/canvas-lms,skmezanul/canvas-lms,greyhwndz/canvas-lms,shidao-fm/canvas-lms,leftplusrightllc/canvas-lms,loganrun/pincan,kyroskoh/canvas-lms,fronteerio/canvas-lms,loganrun/pincan,narigone/canvas,redconfetti/canvas-lms,arrivu/arrivu-lms,usmschuck/canvas,loganrun/pincan,wrdsb/canvas-lms,utkarshx/canvas-lms,arrivu/qibla-ecampus,ShreniiNepal/shrenii_lmp,dgynn/canvas-lms,usmschuck/canvas,sdeleon28/canvas-lms,wrdsb/canvas-lms,narigone/canvas,skmezanul/canvas-lms,parbros/red-innovadores-lms,jay3126/canvas-lms,Jyaasa/canvas-lms