Remove unused fixtures from conftest
Remove unused fixtures from conftest

tomalrussell/smif,willu47/smif,tomalrussell/smif,nismod/smif,tomalrussell/smif,nismod/smif,willu47/smif,nismod/smif,willu47/smif,nismod/smif,willu47/smif,tomalrussell/smif