feat: Prepare Application Gateway for APIM change to External mode for Front Door migration#257

patrickmoore-nc merged 1 commit intomainNHSDigital/dtos-devops-templates:mainfrom

fix/remove-old-appgw-naming-configNHSDigital/dtos-devops-templates:fix/remove-old-appgw-naming-configCopy head branch name to clipboard