remove only-non-defaulted-columns-on-insert from rails 4
remove only-non-defaulted-columns-on-insert from rails 4

rails 4 does it natively

Change-Id: I1bef20f36ca49a6afc4273794e54d68ccca27cb6
Reviewed-on: https://gerrit.instructure.com/41793
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Nick Cloward <9cc571ed222c7ca8c35f018ff48a612f8cadeb73@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

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