Revert unnecessary mask_val in EarthLocationInfo
Revert unnecessary mask_val in EarthLocationInfo

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