BAU: remove alt text 'Fp' of the noscript fingerprint img element
BAU: remove alt text 'Fp' of the noscript fingerprint img element

It would cause the text 'Fp' to be displayed when running the app locally.
Screen readers would also be picking up the alt text in all environments, and reading out 'Graphic fp' to users

Solo: da39a3ee5e6b4b0d3255bfef95601890afd80709@hugh-emerson

alphagov/verify-frontend,alphagov/verify-frontend,alphagov/verify-frontend,alphagov/verify-frontend