2549b: remove unecessary variables and update inline comments
2549b: remove unecessary variables and update inline comments

chaffra/sympy,postvakje/sympy,pbrady/sympy,debugger22/sympy,meghana1995/sympy,Vishluck/sympy,atreyv/sympy,jbbskinny/sympy,skidzo/sympy,aktech/sympy,saurabhjn76/sympy,rahuldan/sympy,ChristinaZografou/sympy,sampadsaha5/sympy,flacjacket/sympy,Mitchkoens/sympy,atreyv/sympy,kaushik94/sympy,abhiii5459/sympy,lidavidm/sympy,Shaswat27/sympy,mcdaniel67/sympy,drufat/sympy,bukzor/sympy,souravsingh/sympy,kevalds51/sympy,amitjamadagni/sympy,Gadal/sympy,mcdaniel67/sympy,MridulS/sympy,Gadal/sympy,madan96/sympy,liangjiaxing/sympy,Mitchkoens/sympy,debugger22/sympy,rahuldan/sympy,chaffra/sympy,AunShiLord/sympy,mafiya69/sympy,shipci/sympy,AkademieOlympia/sympy,kumarkrishna/sympy,Curious72/sympy,bukzor/sympy,cccfran/sympy,mafiya69/sympy,yukoba/sympy,emon10005/sympy,wanglongqi/sympy,sunny94/temp,ga7g08/sympy,Titan-C/sympy,iamutkarshtiwari/sympy,cswiercz/sympy,abloomston/sympy,Davidjohnwilson/sympy,MechCoder/sympy,moble/sympy,sahmed95/sympy,mcdaniel67/sympy,chaffra/sympy,shikil/sympy,Titan-C/sympy,asm666/sympy,hargup/sympy,Davidjohnwilson/sympy,Designist/sympy,Designist/sympy,lindsayad/sympy,lindsayad/sympy,kaushik94/sympy,maniteja123/sympy,atsao72/sympy,cswiercz/sympy,iamutkarshtiwari/sympy,hargup/sympy,aktech/sympy,postvakje/sympy,sunny94/temp,jaimahajan1997/sympy,kaichogami/sympy,sahilshekhawat/sympy,jerli/sympy,farhaanbukhsh/sympy,MridulS/sympy,wanglongqi/sympy,kaushik94/sympy,aktech/sympy,ahhda/sympy,VaibhavAgarwalVA/sympy,kevalds51/sympy,dqnykamp/sympy,iamutkarshtiwari/sympy,shikil/sympy,emon10005/sympy,wanglongqi/sympy,sahmed95/sympy,Vishluck/sympy,cswiercz/sympy,Arafatk/sympy,pandeyadarsh/sympy,skidzo/sympy,vipulroxx/sympy,saurabhjn76/sympy,amitjamadagni/sympy,Mitchkoens/sympy,kevalds51/sympy,cccfran/sympy,srjoglekar246/sympy,sahilshekhawat/sympy,toolforger/sympy,pbrady/sympy,abhiii5459/sympy,madan96/sympy,skirpichev/omg,shipci/sympy,madan96/sympy,meghana1995/sympy,dqnykamp/sympy,Shaswat27/sympy,lidavidm/sympy,abloomston/sympy,lindsayad/sympy,beni55/sympy,VaibhavAgarwalVA/sympy,jaimahajan1997/sympy,atsao72/sympy,yukoba/sympy,garvitr/sympy,jamesblunt/sympy,jamesblunt/sympy,bukzor/sympy,yukoba/sympy,toolforger/sympy,atreyv/sympy,yashsharan/sympy,meghana1995/sympy,hrashk/sympy,garvitr/sympy,hrashk/sympy,beni55/sympy,vipulroxx/sympy,minrk/sympy,souravsingh/sympy,Designist/sympy,wyom/sympy,hargup/sympy,sahmed95/sympy,vipulroxx/sympy,hrashk/sympy,shipci/sympy,lidavidm/sympy,pbrady/sympy,Sumith1896/sympy,grevutiu-gabriel/sympy,moble/sympy,abhiii5459/sympy,MechCoder/sympy,ga7g08/sympy,saurabhjn76/sympy,grevutiu-gabriel/sympy,Davidjohnwilson/sympy,sahilshekhawat/sympy,Arafatk/sympy,dqnykamp/sympy,Curious72/sympy,Gadal/sympy,diofant/diofant,Arafatk/sympy,kaichogami/sympy,toolforger/sympy,AkademieOlympia/sympy,maniteja123/sympy,Sumith1896/sympy,liangjiaxing/sympy,garvitr/sympy,sampadsaha5/sympy,farhaanbukhsh/sympy,emon10005/sympy,wyom/sympy,cccfran/sympy,AunShiLord/sympy,beni55/sympy,oliverlee/sympy,jaimahajan1997/sympy,skidzo/sympy,jerli/sympy,VaibhavAgarwalVA/sympy,wyom/sympy,Shaswat27/sympy,ChristinaZografou/sympy,jerli/sympy,mafiya69/sympy,liangjiaxing/sympy,AkademieOlympia/sympy,kaichogami/sympy,atsao72/sympy,postvakje/sympy,MridulS/sympy,oliverlee/sympy,ahhda/sympy,rahuldan/sympy,grevutiu-gabriel/sympy,asm666/sympy,kmacinnis/sympy,asm666/sympy,souravsingh/sympy,yashsharan/sympy,shikil/sympy,pandeyadarsh/sympy,Vishluck/sympy,kumarkrishna/sympy,ga7g08/sympy,ahhda/sympy,farhaanbukhsh/sympy,pandeyadarsh/sympy,kmacinnis/sympy,kmacinnis/sympy,moble/sympy,abloomston/sympy,maniteja123/sympy,minrk/sympy,jbbskinny/sympy,drufat/sympy,oliverlee/sympy,Sumith1896/sympy,jbbskinny/sympy,sunny94/temp,drufat/sympy,Titan-C/sympy,yashsharan/sympy,MechCoder/sympy,jamesblunt/sympy,sampadsaha5/sympy,AunShiLord/sympy,debugger22/sympy,ChristinaZografou/sympy,Curious72/sympy,kumarkrishna/sympy