remove a tricksy print statement in wcs_info_str
remove a tricksy print statement in wcs_info_str

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