2352: Remove Ellipse.distance_to_center()
2352: Remove Ellipse.distance_to_center()

This method is hard to understand, easy to replicate and causes problems
when Symbol equality is made hash-compliant.

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