Remove baseline_dir argument
Remove baseline_dir argument

pllim/astropy,larrybradley/astropy,mhvk/astropy,mhvk/astropy,mhvk/astropy,mhvk/astropy,larrybradley/astropy,lpsinger/astropy,pllim/astropy,astropy/astropy,lpsinger/astropy,lpsinger/astropy,astropy/astropy,lpsinger/astropy,mhvk/astropy,lpsinger/astropy,pllim/astropy,astropy/astropy,pllim/astropy,astropy/astropy,larrybradley/astropy,larrybradley/astropy,larrybradley/astropy,pllim/astropy,astropy/astropy