remove unused modules
remove unused modules

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