get rid of hard-coded app secret
get rid of hard-coded app secret

Change-Id: Iaf0b0099f4511c8c14a1ccdbc28c0f0559feb3a6
Reviewed-on: https://gerrit.instructure.com/3590
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>

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