Revert "use HTML5 for scribd embeds"
Revert "use HTML5 for scribd embeds"

This reverts commit 2efbc84b051c526b77c2acbf1943f33cd7093585.

Change-Id: I23c7056b35090ca3ab66eb6096908237f9880921
Reviewed-on: https://gerrit.instructure.com/14871
Reviewed-by: Bryan Madsen <0a3ba1af216659500dd8f41e29f3979f42452870@instructure.com>
Tested-by: Bryan Madsen <0a3ba1af216659500dd8f41e29f3979f42452870@instructure.com>

samuels410/greatlakes-lms,utkarshx/canvas-lms,greyhwndz/canvas-lms,samuels410/greatlakes-lms,venturehive/canvas-lms,djbender/canvas-lms,Unow/ins,skmezanul/canvas-lms,kyroskoh/canvas-lms,usmschuck/canvas,nditech/red-innovadores-lms,usmschuck/canvas,shidao-fm/canvas-lms,landonwilkins/canvas-lms,djbender/canvas-lms,arrivu/qibla-ecampus,whalejasmine/canvas-lms,sdeleon28/canvas-lms,roxolan/canvas-lms,loganrun/pincan,shidao-fm/canvas-lms,wimemx/Canvas,efrj/canvas-lms,ShreniiNepal/shrenii_lmp,roxolan/canvas-lms,djbender/canvas-lms,whalejasmine/canvas-lms,merichar/canvas-lms,redconfetti/canvas-lms,greyhwndz/canvas-lms,Rvor/canvas-lms,ShreniiNepal/shrenii_lmp,redconfetti/canvas-lms,wye0220/shindig-canvas,Unow/canvas-lms,ShreniiNepal/shrenii_lmp,landonwilkins/canvas-lms,utkarshx/canvas-lms,tgroshon/canvas-lms,arrivu/jigsaw-lms,HotChalk/canvas-lms,grahamb/canvas-lms,skmezanul/canvas-lms,leftplusrightllc/canvas-lms,landonwilkins/canvas-lms,leftplusrightllc/canvas-lms,sfu/canvas-lms,jay3126/canvas-lms,roxolan/canvas-lms,utkarshx/canvas-lms,whalejasmine/canvas-lms,fronteerio/canvas-lms,skmezanul/canvas-lms,SwinburneOnline/canvas-lms,ShreniiNepal/shrenii_lmp,sfu/canvas-lms,SwinburneOnline/canvas-lms,shidao-fm/canvas-lms,juoni/canvas-lms,Rvor/canvas-lms,wimemx/Canvas,juoni/canvas-lms,loganrun/pincan,wye0220/shindig-canvas,wrdsb/canvas-lms,rup/Tarrax,Unow/canvas-lms,nditech/red-innovadores-lms,loganrun/pincan,sdeleon28/canvas-lms,arrivu/arrivu-lms,arrivu/jigsaw-lms,nditech/red-innovadores-lms,efrj/canvas-lms,Unow/ins,fronteerio/canvas-lms,venturehive/canvas-lms,usmschuck/canvas,nditech/red-innovadores-lms,va7map/canvas-lms,leftplusrightllc/canvas-lms,antoniuslin/canvas-lms,sli7246/canvas_branch,fronteerio/canvas-lms,greyhwndz/canvas-lms,sfu/canvas-lms,efrj/canvas-lms,djbender/canvas-lms,Jyaasa/canvas-lms,redconfetti/canvas-lms,Rvor/canvas-lms,fronteerio/canvas-lms,arrivu/qibla-ecampus,Jyaasa/canvas-lms,parbros/red-innovadores-lms,rup/Tarrax,wrdsb/canvas-lms,sdeleon28/canvas-lms,juoni/canvas-lms,wrdsb/canvas-lms,juoni/canvas-lms,grahamb/canvas-lms,antoniuslin/canvas-lms,roxolan/canvas-lms,samuels410/greatlakes-lms,wye0220/shindig-canvas,rup/Tarrax,jay3126/canvas-lms,antoniuslin/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,arrivu/hoodemo,va7map/canvas-lms,sfu/canvas-lms,skmezanul/canvas-lms,arrivu/jigsaw-lms,parbros/red-innovadores-lms,SwinburneOnline/canvas-lms,kyroskoh/canvas-lms,jay3126/canvas-lms,leftplusrightllc/canvas-lms,grahamb/canvas-lms,jay3126/canvas-lms,arrivu/qibla-ecampus,landonwilkins/canvas-lms,antoniuslin/canvas-lms,Unow/canvas-lms,merichar/canvas-lms,SwinburneOnline/canvas-lms,greyhwndz/canvas-lms,merichar/canvas-lms,shidao-fm/canvas-lms,utkarshx/canvas-lms,kyroskoh/canvas-lms,sli7246/canvas_branch,Jyaasa/canvas-lms,arrivu/arrivu-lms,va7map/canvas-lms,usmschuck/canvas,efrj/canvas-lms,redconfetti/canvas-lms,tgroshon/canvas-lms,whalejasmine/canvas-lms,HotChalk/canvas-lms,grahamb/canvas-lms,sli7246/canvas_branch,arrivu/hoodemo,kyroskoh/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,va7map/canvas-lms,wimemx/Canvas,wrdsb/canvas-lms,arrivu/hoodemo,sfu/canvas-lms,tgroshon/canvas-lms,arrivu/arrivu-lms,sdeleon28/canvas-lms,sfu/canvas-lms,parbros/red-innovadores-lms,venturehive/canvas-lms,tgroshon/canvas-lms,samuels410/greatlakes-lms,Unow/ins,HotChalk/canvas-lms,Rvor/canvas-lms,Jyaasa/canvas-lms