Ran stripwhitespace on finite_diff_derivatives.rst given recent merge
Ran stripwhitespace on finite_diff_derivatives.rst given recent merge

This is a commit of the file after running stripwhitespace, given Chris Smith's
recent enabling of usage of stripwhitespace compatibility with .rst files.

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