Revert change to match_to_catalog_3d (for another issue).
Revert change to match_to_catalog_3d (for another issue).

MSeifert04/astropy,DougBurke/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,larrybradley/astropy,AustereCuriosity/astropy,dhomeier/astropy,StuartLittlefair/astropy,lpsinger/astropy,StuartLittlefair/astropy,bsipocz/astropy,mhvk/astropy,saimn/astropy,pllim/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,mhvk/astropy,stargaser/astropy,AustereCuriosity/astropy,pllim/astropy,bsipocz/astropy,larrybradley/astropy,mhvk/astropy,tbabej/astropy,DougBurke/astropy,bsipocz/astropy,lpsinger/astropy,joergdietrich/astropy,stargaser/astropy,lpsinger/astropy,kelle/astropy,funbaker/astropy,DougBurke/astropy,stargaser/astropy,AustereCuriosity/astropy,astropy/astropy,saimn/astropy,stargaser/astropy,kelle/astropy,funbaker/astropy,saimn/astropy,mhvk/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,tbabej/astropy,kelle/astropy,kelle/astropy,pllim/astropy,lpsinger/astropy,StuartLittlefair/astropy,joergdietrich/astropy,DougBurke/astropy,astropy/astropy,astropy/astropy,bsipocz/astropy,tbabej/astropy,larrybradley/astropy,astropy/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,funbaker/astropy,aleksandr-bakanov/astropy,saimn/astropy,MSeifert04/astropy,mhvk/astropy,MSeifert04/astropy,lpsinger/astropy,AustereCuriosity/astropy,joergdietrich/astropy,pllim/astropy,larrybradley/astropy,joergdietrich/astropy,pllim/astropy,dhomeier/astropy,saimn/astropy,dhomeier/astropy,astropy/astropy,funbaker/astropy,joergdietrich/astropy,AustereCuriosity/astropy,tbabej/astropy,tbabej/astropy,kelle/astropy,dhomeier/astropy