stop requiring scribd for thumbnail urls.
stop requiring scribd for thumbnail urls.

this line was requiring scribd to be enabled for thumbnails to
properly generate urls - meaning avatars wouldn't work without
scribd turned on.

Change-Id: I086e3caa98507e19af36700f0adc0c3f4546f6ff
Reviewed-on: https://gerrit.instructure.com/10833
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Ryan Shaw <ea3cd978650417470535f3a4725b6b5042a6ab59@instructure.com>

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