keep quiz stats in beta only for now
keep quiz stats in beta only for now

closes CNVS-14001

test plan:

  - quiz stats feature should be available in beta
  - quiz stats feature should not be available in prod

Change-Id: If094589558b44b11b989b0b0e38b36359a1edfb3
Reviewed-on: https://gerrit.instructure.com/37347
Reviewed-by: Derek DeVries <ff87a0776152510efd53bb1f4ea089dbbc90e730@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: Caleb Guanzon <54fa1f30d451e4f3c341a8f3c47c9215fd0be9c6@instructure.com>
Product-Review: Jason Madsen <bcb5fff571a20f07c35d17ba9c364855c776dce7@instructure.com>

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