Remove V14 tax refund link.

https://govuk.zendesk.com/agent/#/tickets/850810
This refund is now automatic.
Merge pull request #682 from alphagov/remove_v14_tax_refund_link

Remove V14 tax refund link.
Remove 'new' from our meta description.

With our second birthday coming up, this doesn't quite apply any more.

Hat tip to Robin Carswell <https://github.com/rjc123> for spotting this.
Merge pull request #683 from alphagov/remove-novelty

Remove ‘new’ from our meta description