Remove apparently unused variable.
Remove apparently unused variable.

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