remove unused code
remove unused code

kevinpdavies/pycsw,ricardogsilva/pycsw,ocefpaf/pycsw,benhowell/pycsw,bukun/pycsw,ckan-fcd/pycsw-fcd,benhowell/pycsw,tomkralidis/pycsw,PublicaMundi/pycsw,kalxas/pycsw,geopython/pycsw,ocefpaf/pycsw,tomkralidis/pycsw,rouault/pycsw,tomkralidis/pycsw,geopython/pycsw,ingenieroariel/pycsw,PublicaMundi/pycsw,bukun/pycsw,kalxas/pycsw,kalxas/pycsw,ckan-fcd/pycsw-fcd,geopython/pycsw,ricardogsilva/pycsw,mwengren/pycsw,mwengren/pycsw,ricardogsilva/pycsw,kevinpdavies/pycsw,rouault/pycsw,ingenieroariel/pycsw,bukun/pycsw