remove regression test for old frame attribute classes
remove regression test for old frame attribute classes

MSeifert04/astropy,lpsinger/astropy,larrybradley/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,lpsinger/astropy,StuartLittlefair/astropy,astropy/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,dhomeier/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,astropy/astropy,MSeifert04/astropy,pllim/astropy,dhomeier/astropy,mhvk/astropy,pllim/astropy,StuartLittlefair/astropy,lpsinger/astropy,saimn/astropy,larrybradley/astropy,larrybradley/astropy,mhvk/astropy,dhomeier/astropy,MSeifert04/astropy,saimn/astropy,saimn/astropy,pllim/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,stargaser/astropy,saimn/astropy,dhomeier/astropy,mhvk/astropy,pllim/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,larrybradley/astropy,astropy/astropy,pllim/astropy,stargaser/astropy,lpsinger/astropy,stargaser/astropy,astropy/astropy,mhvk/astropy,aleksandr-bakanov/astropy,stargaser/astropy,saimn/astropy