Remove unwarranted change to to_value in Time.
Remove unwarranted change to to_value in Time.

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