Fixed typo [ci skip]
Fixed typo [ci skip]

Removed an unnecessary 'and'
pllim/astropy,mhvk/astropy,StuartLittlefair/astropy,larrybradley/astropy,astropy/astropy,larrybradley/astropy,larrybradley/astropy,StuartLittlefair/astropy,astropy/astropy,lpsinger/astropy,lpsinger/astropy,lpsinger/astropy,StuartLittlefair/astropy,mhvk/astropy,astropy/astropy,larrybradley/astropy,lpsinger/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,astropy/astropy,StuartLittlefair/astropy,mhvk/astropy,pllim/astropy,StuartLittlefair/astropy,pllim/astropy,lpsinger/astropy,mhvk/astropy,pllim/astropy,pllim/astropy