update terms-of-use and privacy-policy urls
update terms-of-use and privacy-policy urls

test plan:
 - terms of use link should go to
   http://www.canvaslms.com/policies/terms-of-use
 - privacy policy link should go to
   http://www.canvaslms.com/policies/privacy-policy

refs CNVS-13942

Change-Id: I7b17e278d295ddc1b2a1508352b76aa7f2d30ace
Reviewed-on: https://gerrit.instructure.com/37450
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Jon Willesen <eb5ce5e6a76c243326fecfa94534101600f87bd9@instructure.com>
QA-Review: Clare Strong <40d6bb3ed7fef516c73274131d5a837c16de74fd@instructure.com>
Product-Review: Jon Willesen <eb5ce5e6a76c243326fecfa94534101600f87bd9@instructure.com>

snehakachroo1/LSI_replica,narigone/canvas,shidao-fm/canvas-lms,instructure/canvas-lms,tgroshon/canvas-lms,utkarshx/canvas-lms,grahamb/canvas-lms,kyroskoh/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,AndranikMarkosyan/lms,va7map/canvas-lms,Rvor/canvas-lms,roxolan/canvas-lms,dgynn/canvas-lms,whalejasmine/canvas-lms,roxolan/canvas-lms,venturehive/canvas-lms,narigone/canvas,instructure/canvas-lms,dgynn/canvas-lms,leftplusrightllc/canvas-lms,wrdsb/canvas-lms,Rvor/canvas-lms,utkarshx/canvas-lms,antoniuslin/canvas-lms,skmezanul/canvas-lms,efrj/canvas-lms,wye0220/shindig-canvas,greyhwndz/canvas-lms,samuels410/greatlakes-lms,snehakachroo1/LSI_replica,gbleydon/canvas-lms,shidao-fm/canvas-lms,Unow/canvas-lms,instructure/canvas-lms,roxolan/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,eCNAP/CANVAS,tgroshon/canvas-lms,fronteerio/canvas-lms,sdeleon28/canvas-lms,narigone/canvas,whalejasmine/canvas-lms,sdeleon28/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,narigone/canvas,samuels410/greatlakes-lms,grahamb/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,Jyaasa/canvas-lms,jay3126/canvas-lms,SwinburneOnline/canvas-lms,skmezanul/canvas-lms,redconfetti/canvas-lms,Jyaasa/canvas-lms,greyhwndz/canvas-lms,Jyaasa/canvas-lms,jay3126/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,va7map/canvas-lms,shidao-fm/canvas-lms,samuels410/greatlakes-lms,tgroshon/canvas-lms,kyroskoh/canvas-lms,HotChalk/canvas-lms,roxolan/canvas-lms,efrj/canvas-lms,kyroskoh/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms,greyhwndz/canvas-lms,venturehive/canvas-lms,SwinburneOnline/canvas-lms,redconfetti/canvas-lms,skmezanul/canvas-lms,juoni/canvas-lms,utkarshx/canvas-lms,matematikk-mooc/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,eCNAP/CANVAS,juoni/canvas-lms,matematikk-mooc/canvas-lms,ShreniiNepal/shrenii_lmp,utkarshx/canvas-lms,snehakachroo1/LSI_replica,fronteerio/canvas-lms,tgroshon/canvas-lms,matematikk-mooc/canvas-lms,leftplusrightllc/canvas-lms,ShreniiNepal/shrenii_lmp,djbender/canvas-lms,shidao-fm/canvas-lms,AndranikMarkosyan/lms,wye0220/shindig-canvas,ShreniiNepal/shrenii_lmp,antoniuslin/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,antoniuslin/canvas-lms,wye0220/shindig-canvas,skmezanul/canvas-lms,redconfetti/canvas-lms,efrj/canvas-lms,jay3126/canvas-lms,djbender/canvas-lms,whalejasmine/canvas-lms,gbleydon/canvas-lms,sdeleon28/canvas-lms,samuels410/greatlakes-lms,Unow/canvas-lms,redconfetti/canvas-lms,leftplusrightllc/canvas-lms,dgynn/canvas-lms,fronteerio/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,AndranikMarkosyan/lms,Unow/canvas-lms,eCNAP/CANVAS,juoni/canvas-lms,wrdsb/canvas-lms,fronteerio/canvas-lms,Rvor/canvas-lms,leftplusrightllc/canvas-lms,ShreniiNepal/shrenii_lmp,jay3126/canvas-lms,gbleydon/canvas-lms,sdeleon28/canvas-lms,va7map/canvas-lms,wrdsb/canvas-lms,dgynn/canvas-lms,greyhwndz/canvas-lms,matematikk-mooc/canvas-lms,kyroskoh/canvas-lms,snehakachroo1/LSI_replica,wrdsb/canvas-lms,efrj/canvas-lms,eCNAP/CANVAS,HotChalk/canvas-lms,juoni/canvas-lms,AndranikMarkosyan/lms,va7map/canvas-lms,Jyaasa/canvas-lms,djbender/canvas-lms,Rvor/canvas-lms,whalejasmine/canvas-lms,antoniuslin/canvas-lms,SwinburneOnline/canvas-lms,HotChalk/canvas-lms