refactored boolean values to exclude true else false code. fully retested
refactored boolean values to exclude true else false code. fully retested


Former-commit-id: a6d2ff767a9a9b8fae5abde52ea4e5f775d52bb0
dvla/vrm-retention-online,dvla/vrm-retention-online,dvla/vrm-retention-online,dvla/vrm-retention-online,dvla/vehicles-online,dvla/vehicles-presentation-common,dvla/vehicles-online,dvla/vehicles-presentation-common,dvla/vehicles-presentation-common,dvla/vehicles-online,dvla/vehicles-online