update webex
update webex

test plan:
  verify conference type is moved to plugin config and out of
  conferences

Change-Id: Ia483a5d4e1d605ac064e1361fef98ce80cb579d4
Reviewed-on: https://gerrit.instructure.com/32134
Reviewed-by: Jake Sorce <c8d99c2f7cd5f432c163abcd422672b9f77550bb@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Product-Review: Adam Phillipps <0e18f44c1fec03ec4083422cb58ba6a09ac4fb2a@instructure.com>
QA-Review: Adam Phillipps <0e18f44c1fec03ec4083422cb58ba6a09ac4fb2a@instructure.com>

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