MAINT: stats: remove duplicated code
MAINT: stats: remove duplicated code

Distributions entropy method was duplicated in rv_generic and rv_continuous,
differing only in code comments. Consolidate comments, remove
the rv_continuous copy.

aarchiba/scipy,sonnyhu/scipy,chatcannon/scipy,jonycgn/scipy,WarrenWeckesser/scipy,felipebetancur/scipy,lhilt/scipy,scipy/scipy,maniteja123/scipy,woodscn/scipy,petebachant/scipy,zerothi/scipy,newemailjdm/scipy,gfyoung/scipy,pizzathief/scipy,maniteja123/scipy,mdhaber/scipy,vberaudi/scipy,Newman101/scipy,richardotis/scipy,mingwpy/scipy,jseabold/scipy,nvoron23/scipy,tylerjereddy/scipy,e-q/scipy,vigna/scipy,Shaswat27/scipy,gfyoung/scipy,gertingold/scipy,vhaasteren/scipy,ortylp/scipy,ales-erjavec/scipy,sriki18/scipy,gdooper/scipy,argriffing/scipy,niknow/scipy,minhlongdo/scipy,Srisai85/scipy,zxsted/scipy,perimosocordiae/scipy,giorgiop/scipy,person142/scipy,richardotis/scipy,andyfaff/scipy,Shaswat27/scipy,Kamp9/scipy,mortonjt/scipy,larsmans/scipy,FRidh/scipy,behzadnouri/scipy,befelix/scipy,surhudm/scipy,haudren/scipy,Kamp9/scipy,rmcgibbo/scipy,mtrbean/scipy,kleskjr/scipy,petebachant/scipy,hainm/scipy,maniteja123/scipy,e-q/scipy,mtrbean/scipy,ilayn/scipy,newemailjdm/scipy,sauliusl/scipy,anielsen001/scipy,jakevdp/scipy,sauliusl/scipy,jamestwebber/scipy,vanpact/scipy,chatcannon/scipy,nmayorov/scipy,nmayorov/scipy,WillieMaddox/scipy,giorgiop/scipy,kleskjr/scipy,mtrbean/scipy,larsmans/scipy,ndchorley/scipy,Dapid/scipy,dominicelse/scipy,cpaulik/scipy,anntzer/scipy,lukauskas/scipy,ales-erjavec/scipy,njwilson23/scipy,anntzer/scipy,sauliusl/scipy,trankmichael/scipy,rgommers/scipy,surhudm/scipy,Gillu13/scipy,petebachant/scipy,rmcgibbo/scipy,futurulus/scipy,cpaulik/scipy,apbard/scipy,ortylp/scipy,ChanderG/scipy,rmcgibbo/scipy,grlee77/scipy,jonycgn/scipy,pizzathief/scipy,person142/scipy,nonhermitian/scipy,mgaitan/scipy,Shaswat27/scipy,trankmichael/scipy,chatcannon/scipy,Dapid/scipy,lhilt/scipy,mingwpy/scipy,mortonjt/scipy,pyramania/scipy,zaxliu/scipy,mortonjt/scipy,surhudm/scipy,gdooper/scipy,woodscn/scipy,pschella/scipy,befelix/scipy,njwilson23/scipy,nonhermitian/scipy,zxsted/scipy,aeklant/scipy,jakevdp/scipy,niknow/scipy,apbard/scipy,Stefan-Endres/scipy,vanpact/scipy,felipebetancur/scipy,anntzer/scipy,mhogg/scipy,jjhelmus/scipy,behzadnouri/scipy,jakevdp/scipy,fredrikw/scipy,nonhermitian/scipy,gertingold/scipy,raoulbq/scipy,rmcgibbo/scipy,mingwpy/scipy,kalvdans/scipy,lukauskas/scipy,mtrbean/scipy,arokem/scipy,giorgiop/scipy,Stefan-Endres/scipy,andim/scipy,WillieMaddox/scipy,ChanderG/scipy,sriki18/scipy,piyush0609/scipy,argriffing/scipy,zaxliu/scipy,raoulbq/scipy,lukauskas/scipy,newemailjdm/scipy,aman-iitj/scipy,mdhaber/scipy,rgommers/scipy,mgaitan/scipy,endolith/scipy,scipy/scipy,zaxliu/scipy,raoulbq/scipy,hainm/scipy,zerothi/scipy,Gillu13/scipy,ales-erjavec/scipy,Eric89GXL/scipy,Srisai85/scipy,mhogg/scipy,ndchorley/scipy,perimosocordiae/scipy,dominicelse/scipy,Stefan-Endres/scipy,aarchiba/scipy,mhogg/scipy,pizzathief/scipy,fredrikw/scipy,jor-/scipy,felipebetancur/scipy,vhaasteren/scipy,kalvdans/scipy,Srisai85/scipy,ilayn/scipy,Dapid/scipy,jseabold/scipy,maniteja123/scipy,fernand/scipy,josephcslater/scipy,nmayorov/scipy,efiring/scipy,FRidh/scipy,Kamp9/scipy,fernand/scipy,aman-iitj/scipy,lukauskas/scipy,nmayorov/scipy,WillieMaddox/scipy,minhlongdo/scipy,Eric89GXL/scipy,pschella/scipy,anntzer/scipy,dominicelse/scipy,behzadnouri/scipy,aman-iitj/scipy,njwilson23/scipy,aarchiba/scipy,andim/scipy,apbard/scipy,zerothi/scipy,scipy/scipy,ilayn/scipy,matthewalbani/scipy,arokem/scipy,Gillu13/scipy,pizzathief/scipy,bkendzior/scipy,ortylp/scipy,sauliusl/scipy,WarrenWeckesser/scipy,mdhaber/scipy,kleskjr/scipy,bkendzior/scipy,mikebenfield/scipy,endolith/scipy,pbrod/scipy,vberaudi/scipy,ortylp/scipy,anielsen001/scipy,pschella/scipy,Newman101/scipy,person142/scipy,efiring/scipy,nonhermitian/scipy,mortada/scipy,woodscn/scipy,fredrikw/scipy,apbard/scipy,anielsen001/scipy,scipy/scipy,ndchorley/scipy,efiring/scipy,fredrikw/scipy,vanpact/scipy,niknow/scipy,giorgiop/scipy,felipebetancur/scipy,gdooper/scipy,mingwpy/scipy,dominicelse/scipy,jseabold/scipy,ales-erjavec/scipy,zxsted/scipy,argriffing/scipy,ChanderG/scipy,vanpact/scipy,Stefan-Endres/scipy,giorgiop/scipy,chatcannon/scipy,matthew-brett/scipy,scipy/scipy,kalvdans/scipy,Gillu13/scipy,pyramania/scipy,niknow/scipy,kleskjr/scipy,mortada/scipy,sonnyhu/scipy,FRidh/scipy,larsmans/scipy,kleskjr/scipy,vberaudi/scipy,behzadnouri/scipy,futurulus/scipy,mortada/scipy,perimosocordiae/scipy,mingwpy/scipy,kleskjr/scipy,fernand/scipy,anielsen001/scipy,josephcslater/scipy,mortonjt/scipy,WarrenWeckesser/scipy,jseabold/scipy,pschella/scipy,hainm/scipy,jonycgn/scipy,pnedunuri/scipy,gef756/scipy,argriffing/scipy,pyramania/scipy,tylerjereddy/scipy,sriki18/scipy,apbard/scipy,andyfaff/scipy,endolith/scipy,vigna/scipy,efiring/scipy,richardotis/scipy,piyush0609/scipy,Stefan-Endres/scipy,sriki18/scipy,jjhelmus/scipy,aeklant/scipy,matthewalbani/scipy,mortada/scipy,gef756/scipy,jor-/scipy,mgaitan/scipy,larsmans/scipy,njwilson23/scipy,matthewalbani/scipy,andyfaff/scipy,trankmichael/scipy,matthew-brett/scipy,Dapid/scipy,jonycgn/scipy,chatcannon/scipy,jjhelmus/scipy,gfyoung/scipy,grlee77/scipy,argriffing/scipy,anntzer/scipy,minhlongdo/scipy,aman-iitj/scipy,andyfaff/scipy,andim/scipy,matthew-brett/scipy,jamestwebber/scipy,vhaasteren/scipy,vberaudi/scipy,ales-erjavec/scipy,kalvdans/scipy,mgaitan/scipy,mortonjt/scipy,arokem/scipy,anielsen001/scipy,bkendzior/scipy,mgaitan/scipy,pbrod/scipy,Eric89GXL/scipy,pyramania/scipy,raoulbq/scipy,jor-/scipy,giorgiop/scipy,grlee77/scipy,mtrbean/scipy,endolith/scipy,aman-iitj/scipy,nvoron23/scipy,argriffing/scipy,pizzathief/scipy,chatcannon/scipy,petebachant/scipy,nvoron23/scipy,sriki18/scipy,mhogg/scipy,anielsen001/scipy,gertingold/scipy,woodscn/scipy,ortylp/scipy,Eric89GXL/scipy,maniteja123/scipy,sonnyhu/scipy,dominicelse/scipy,aeklant/scipy,pnedunuri/scipy,aarchiba/scipy,gef756/scipy,sauliusl/scipy,sriki18/scipy,FRidh/scipy,petebachant/scipy,larsmans/scipy,andim/scipy,zaxliu/scipy,josephcslater/scipy,vhaasteren/scipy,jor-/scipy,niknow/scipy,matthewalbani/scipy,woodscn/scipy,Shaswat27/scipy,mikebenfield/scipy,ilayn/scipy,perimosocordiae/scipy,cpaulik/scipy,behzadnouri/scipy,endolith/scipy,Eric89GXL/scipy,WarrenWeckesser/scipy,befelix/scipy,richardotis/scipy,bkendzior/scipy,piyush0609/scipy,rmcgibbo/scipy,sonnyhu/scipy,nvoron23/scipy,gef756/scipy,surhudm/scipy,kalvdans/scipy,minhlongdo/scipy,lhilt/scipy,lukauskas/scipy,behzadnouri/scipy,endolith/scipy,rgommers/scipy,woodscn/scipy,haudren/scipy,jakevdp/scipy,andyfaff/scipy,cpaulik/scipy,ChanderG/scipy,gef756/scipy,cpaulik/scipy,fredrikw/scipy,minhlongdo/scipy,haudren/scipy,e-q/scipy,befelix/scipy,piyush0609/scipy,WarrenWeckesser/scipy,fernand/scipy,Shaswat27/scipy,pbrod/scipy,aeklant/scipy,richardotis/scipy,hainm/scipy,jjhelmus/scipy,WillieMaddox/scipy,nvoron23/scipy,Newman101/scipy,hainm/scipy,aarchiba/scipy,andim/scipy,WillieMaddox/scipy,mikebenfield/scipy,pyramania/scipy,gfyoung/scipy,mhogg/scipy,vigna/scipy,ndchorley/scipy,mortada/scipy,haudren/scipy,mikebenfield/scipy,e-q/scipy,ndchorley/scipy,haudren/scipy,zxsted/scipy,trankmichael/scipy,jseabold/scipy,FRidh/scipy,mhogg/scipy,rgommers/scipy,vhaasteren/scipy,Shaswat27/scipy,mtrbean/scipy,mikebenfield/scipy,mgaitan/scipy,Srisai85/scipy,Dapid/scipy,grlee77/scipy,minhlongdo/scipy,Newman101/scipy,zxsted/scipy,piyush0609/scipy,lhilt/scipy,vigna/scipy,matthewalbani/scipy,cpaulik/scipy,jamestwebber/scipy,WarrenWeckesser/scipy,newemailjdm/scipy,newemailjdm/scipy,futurulus/scipy,zerothi/scipy,andyfaff/scipy,Kamp9/scipy,ortylp/scipy,pnedunuri/scipy,zerothi/scipy,sauliusl/scipy,efiring/scipy,bkendzior/scipy,surhudm/scipy,zaxliu/scipy,jonycgn/scipy,Newman101/scipy,jseabold/scipy,Dapid/scipy,mortonjt/scipy,vhaasteren/scipy,Kamp9/scipy,jjhelmus/scipy,gdooper/scipy,ilayn/scipy,futurulus/scipy,Gillu13/scipy,vanpact/scipy,petebachant/scipy,ChanderG/scipy,pschella/scipy,jakevdp/scipy,Srisai85/scipy,Eric89GXL/scipy,mdhaber/scipy,josephcslater/scipy,arokem/scipy,arokem/scipy,fernand/scipy,felipebetancur/scipy,matthew-brett/scipy,vberaudi/scipy,andim/scipy,mdhaber/scipy,zerothi/scipy,mdhaber/scipy,perimosocordiae/scipy,tylerjereddy/scipy,newemailjdm/scipy,pbrod/scipy,larsmans/scipy,haudren/scipy,person142/scipy,vanpact/scipy,tylerjereddy/scipy,jonycgn/scipy,ilayn/scipy,matthew-brett/scipy,lukauskas/scipy,jamestwebber/scipy,pnedunuri/scipy,ndchorley/scipy,aeklant/scipy,zxsted/scipy,sonnyhu/scipy,grlee77/scipy,sonnyhu/scipy,gertingold/scipy,tylerjereddy/scipy,futurulus/scipy,maniteja123/scipy,Kamp9/scipy,njwilson23/scipy,niknow/scipy,piyush0609/scipy,fredrikw/scipy,rmcgibbo/scipy,nvoron23/scipy,fernand/scipy,nonhermitian/scipy,vberaudi/scipy,trankmichael/scipy,Stefan-Endres/scipy,futurulus/scipy,befelix/scipy,e-q/scipy,vigna/scipy,scipy/scipy,Gillu13/scipy,gef756/scipy,raoulbq/scipy,anntzer/scipy,trankmichael/scipy,nmayorov/scipy,person142/scipy,pnedunuri/scipy,Newman101/scipy,WillieMaddox/scipy,zaxliu/scipy,felipebetancur/scipy,ChanderG/scipy,surhudm/scipy,njwilson23/scipy,jor-/scipy,raoulbq/scipy,richardotis/scipy,gdooper/scipy,gertingold/scipy,aman-iitj/scipy,ales-erjavec/scipy,gfyoung/scipy,lhilt/scipy,pbrod/scipy,hainm/scipy,mortada/scipy,efiring/scipy,FRidh/scipy,josephcslater/scipy,pbrod/scipy,perimosocordiae/scipy,pnedunuri/scipy,Srisai85/scipy,rgommers/scipy,mingwpy/scipy,jamestwebber/scipy