Don't use signsimp in matches
Don't use signsimp in matches

This leads to a performance regression (c.f., issue #8469 and #8506). It does
make things like (x - a)**2 not match (2 - x)**2, but this could be considered
bad form (putting a minus sign in front of a Wild).

atsao72/sympy,mafiya69/sympy,drufat/sympy,shikil/sympy,mafiya69/sympy,Gadal/sympy,sahmed95/sympy,kaichogami/sympy,Titan-C/sympy,ChristinaZografou/sympy,farhaanbukhsh/sympy,cswiercz/sympy,iamutkarshtiwari/sympy,Shaswat27/sympy,maniteja123/sympy,AkademieOlympia/sympy,saurabhjn76/sympy,grevutiu-gabriel/sympy,mcdaniel67/sympy,rahuldan/sympy,Vishluck/sympy,jerli/sympy,moble/sympy,Titan-C/sympy,drufat/sympy,atsao72/sympy,atreyv/sympy,jerli/sympy,lindsayad/sympy,garvitr/sympy,yashsharan/sympy,VaibhavAgarwalVA/sympy,bukzor/sympy,grevutiu-gabriel/sympy,rahuldan/sympy,grevutiu-gabriel/sympy,jaimahajan1997/sympy,ga7g08/sympy,chaffra/sympy,pandeyadarsh/sympy,emon10005/sympy,sampadsaha5/sympy,sampadsaha5/sympy,MechCoder/sympy,souravsingh/sympy,AkademieOlympia/sympy,aktech/sympy,kumarkrishna/sympy,wanglongqi/sympy,iamutkarshtiwari/sympy,sahmed95/sympy,ahhda/sympy,chaffra/sympy,postvakje/sympy,kaushik94/sympy,skidzo/sympy,lindsayad/sympy,bukzor/sympy,emon10005/sympy,jbbskinny/sympy,farhaanbukhsh/sympy,sahmed95/sympy,souravsingh/sympy,asm666/sympy,postvakje/sympy,maniteja123/sympy,Curious72/sympy,yukoba/sympy,jbbskinny/sympy,Gadal/sympy,Arafatk/sympy,yukoba/sympy,kaushik94/sympy,Davidjohnwilson/sympy,mafiya69/sympy,skidzo/sympy,wyom/sympy,postvakje/sympy,drufat/sympy,abhiii5459/sympy,ahhda/sympy,kaichogami/sympy,Gadal/sympy,moble/sympy,aktech/sympy,asm666/sympy,yashsharan/sympy,Curious72/sympy,moble/sympy,kevalds51/sympy,kumarkrishna/sympy,debugger22/sympy,Designist/sympy,cswiercz/sympy,asm666/sympy,Shaswat27/sympy,skidzo/sympy,oliverlee/sympy,ga7g08/sympy,rahuldan/sympy,AkademieOlympia/sympy,Arafatk/sympy,Designist/sympy,jaimahajan1997/sympy,Titan-C/sympy,Davidjohnwilson/sympy,debugger22/sympy,abhiii5459/sympy,oliverlee/sympy,atreyv/sympy,madan96/sympy,wyom/sympy,mcdaniel67/sympy,kaichogami/sympy,chaffra/sympy,souravsingh/sympy,shikil/sympy,aktech/sympy,bukzor/sympy,yukoba/sympy,atsao72/sympy,hargup/sympy,emon10005/sympy,saurabhjn76/sympy,garvitr/sympy,ga7g08/sympy,ChristinaZografou/sympy,Curious72/sympy,VaibhavAgarwalVA/sympy,atreyv/sympy,VaibhavAgarwalVA/sympy,madan96/sympy,Vishluck/sympy,madan96/sympy,kevalds51/sympy,lindsayad/sympy,wyom/sympy,wanglongqi/sympy,hargup/sympy,abhiii5459/sympy,shikil/sympy,kaushik94/sympy,Vishluck/sympy,farhaanbukhsh/sympy,jaimahajan1997/sympy,MechCoder/sympy,ChristinaZografou/sympy,Arafatk/sympy,mcdaniel67/sympy,debugger22/sympy,ahhda/sympy,cswiercz/sympy,kumarkrishna/sympy,pandeyadarsh/sympy,wanglongqi/sympy,Davidjohnwilson/sympy,kevalds51/sympy,maniteja123/sympy,iamutkarshtiwari/sympy,oliverlee/sympy,hargup/sympy,Designist/sympy,sampadsaha5/sympy,garvitr/sympy,yashsharan/sympy,saurabhjn76/sympy,MechCoder/sympy,jerli/sympy,Shaswat27/sympy,pandeyadarsh/sympy,jbbskinny/sympy