docs: Fix sphinx issues in functions.special.delta_functions
docs: Fix sphinx issues in functions.special.delta_functions

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