Remove unused import and update propTypes
Remove unused import and update propTypes


Former-commit-id: f8da421af445482856e5cd509f4e20a3907a4747
Former-commit-id: 5ff56f3d1b460eb73efb49ce28526f3203698a9e
Former-commit-id: e6addb0a66dbed74e54cfe4f9a613c2353c3319f
ONSdigital/florence,ONSdigital/florence,ONSdigital/florence,ONSdigital/florence