Release 2180

Trello card

Trello-176

Context

Update cancellation forms to use GOV.UK form builder.

Changes proposed in this pull request

• Use GOV.UK form builder for cancellation forms

Guidance to review

To view these two forms you need to:

1. Create a booking and hit the cancel link in the email.
2. Create a booking, login as the school and accept it, then click the cancel link in the subsequent confirmation email.