Remove clickbook data from registrations.yml
Remove clickbook data from registrations.yml

The previous commit removed the unused method that was relying on this data.

askl56/smart-answers,stwalsh/smart-answers,tadast/smart-answers,alphagov/smart-answers,tadast/smart-answers,aledelcueto/smart-answers,aledelcueto/smart-answers,alphagov/smart-answers,stwalsh/smart-answers,aledelcueto/smart-answers,stwalsh/smart-answers,tadast/smart-answers,askl56/smart-answers,aledelcueto/smart-answers,tadast/smart-answers,askl56/smart-answers,alphagov/smart-answers,alphagov/smart-answers,askl56/smart-answers,stwalsh/smart-answers