deleted removeO method in tests
deleted removeO method in tests

shikil/sympy,maniteja123/sympy,meghana1995/sympy,ChristinaZografou/sympy,Titan-C/sympy,ga7g08/sympy,hargup/sympy,atreyv/sympy,Davidjohnwilson/sympy,abhiii5459/sympy,ahhda/sympy,abloomston/sympy,chaffra/sympy,toolforger/sympy,pbrady/sympy,ahhda/sympy,sunny94/temp,iamutkarshtiwari/sympy,kevalds51/sympy,dqnykamp/sympy,Designist/sympy,souravsingh/sympy,MechCoder/sympy,drufat/sympy,debugger22/sympy,Titan-C/sympy,Shaswat27/sympy,bukzor/sympy,rahuldan/sympy,Gadal/sympy,vipulroxx/sympy,AkademieOlympia/sympy,abhiii5459/sympy,diofant/diofant,jbbskinny/sympy,ChristinaZografou/sympy,madan96/sympy,debugger22/sympy,asm666/sympy,MridulS/sympy,Curious72/sympy,MechCoder/sympy,maniteja123/sympy,AkademieOlympia/sympy,pandeyadarsh/sympy,liangjiaxing/sympy,Shaswat27/sympy,sahilshekhawat/sympy,Sumith1896/sympy,lidavidm/sympy,skidzo/sympy,emon10005/sympy,ChristinaZografou/sympy,beni55/sympy,Curious72/sympy,abloomston/sympy,sunny94/temp,jamesblunt/sympy,kevalds51/sympy,sampadsaha5/sympy,Arafatk/sympy,lindsayad/sympy,pandeyadarsh/sympy,yukoba/sympy,bukzor/sympy,moble/sympy,VaibhavAgarwalVA/sympy,Titan-C/sympy,meghana1995/sympy,grevutiu-gabriel/sympy,kumarkrishna/sympy,saurabhjn76/sympy,Mitchkoens/sympy,meghana1995/sympy,maniteja123/sympy,mafiya69/sympy,jbbskinny/sympy,liangjiaxing/sympy,kaichogami/sympy,kaichogami/sympy,oliverlee/sympy,garvitr/sympy,AunShiLord/sympy,toolforger/sympy,sahmed95/sympy,Sumith1896/sympy,skirpichev/omg,yashsharan/sympy,lindsayad/sympy,shikil/sympy,aktech/sympy,grevutiu-gabriel/sympy,MridulS/sympy,sampadsaha5/sympy,debugger22/sympy,rahuldan/sympy,garvitr/sympy,kmacinnis/sympy,chaffra/sympy,kumarkrishna/sympy,lidavidm/sympy,AunShiLord/sympy,iamutkarshtiwari/sympy,kmacinnis/sympy,VaibhavAgarwalVA/sympy,cccfran/sympy,moble/sympy,souravsingh/sympy,atsao72/sympy,saurabhjn76/sympy,Designist/sympy,emon10005/sympy,skidzo/sympy,mafiya69/sympy,hargup/sympy,Gadal/sympy,sunny94/temp,jaimahajan1997/sympy,pbrady/sympy,emon10005/sympy,jamesblunt/sympy,toolforger/sympy,saurabhjn76/sympy,bukzor/sympy,sampadsaha5/sympy,skidzo/sympy,wanglongqi/sympy,cswiercz/sympy,MechCoder/sympy,beni55/sympy,jaimahajan1997/sympy,Designist/sympy,yukoba/sympy,atreyv/sympy,wyom/sympy,kmacinnis/sympy,mcdaniel67/sympy,cswiercz/sympy,dqnykamp/sympy,drufat/sympy,kaichogami/sympy,Gadal/sympy,Curious72/sympy,Davidjohnwilson/sympy,Sumith1896/sympy,abhiii5459/sympy,Mitchkoens/sympy,Arafatk/sympy,kaushik94/sympy,abloomston/sympy,aktech/sympy,mcdaniel67/sympy,shipci/sympy,MridulS/sympy,lindsayad/sympy,Mitchkoens/sympy,pandeyadarsh/sympy,postvakje/sympy,farhaanbukhsh/sympy,yukoba/sympy,ahhda/sympy,postvakje/sympy,asm666/sympy,kaushik94/sympy,VaibhavAgarwalVA/sympy,shipci/sympy,farhaanbukhsh/sympy,Vishluck/sympy,oliverlee/sympy,wanglongqi/sympy,atsao72/sympy,kevalds51/sympy,hrashk/sympy,shipci/sympy,chaffra/sympy,kaushik94/sympy,ga7g08/sympy,oliverlee/sympy,aktech/sympy,Shaswat27/sympy,shikil/sympy,drufat/sympy,rahuldan/sympy,AunShiLord/sympy,postvakje/sympy,vipulroxx/sympy,garvitr/sympy,atreyv/sympy,jerli/sympy,farhaanbukhsh/sympy,yashsharan/sympy,madan96/sympy,wyom/sympy,mcdaniel67/sympy,wyom/sympy,moble/sympy,jaimahajan1997/sympy,atsao72/sympy,cswiercz/sympy,souravsingh/sympy,madan96/sympy,Davidjohnwilson/sympy,kumarkrishna/sympy,jbbskinny/sympy,wanglongqi/sympy,ga7g08/sympy,Vishluck/sympy,hrashk/sympy,dqnykamp/sympy,AkademieOlympia/sympy,Vishluck/sympy,hargup/sympy,grevutiu-gabriel/sympy,asm666/sympy,vipulroxx/sympy,cccfran/sympy,hrashk/sympy,beni55/sympy,pbrady/sympy,mafiya69/sympy,sahilshekhawat/sympy,liangjiaxing/sympy,sahilshekhawat/sympy,jamesblunt/sympy,sahmed95/sympy,lidavidm/sympy,yashsharan/sympy,Arafatk/sympy,jerli/sympy,jerli/sympy,sahmed95/sympy,cccfran/sympy,iamutkarshtiwari/sympy