Add support for real delete
Add support for real delete

UKGovLD/registry-config-base,UKGovLD/registry-deploy-loc2016,UKGovLD/registry-config-base,wmo-registers/codes-wmo-deploy,UKGovLD/registry-config-base,UKGovLD/registry-deploy-env2016,CSIRO-LW-LD/registry-config-base,wmo-registers/codes-wmo-deploy,usgin/registry-config-base,CSIRO-LW-LD/registry-config-base,UKGovLD/registry-deploy-env2016,UKGovLD/registry-deploy-loc2016,marqh/registry-config-base,marqh/registry-config-base,usgin/registry-config-base