Refactor AllergyStructureMapper#1430

MartinWheelerMT wants to merge 3 commits intomainNHSDigital/integration-adaptor-gp2gp-sending:mainfrom

refactor-allergy-structure-mapperNHSDigital/integration-adaptor-gp2gp-sending:refactor-allergy-structure-mapperCopy head branch name to clipboard