Remove link to Whitehall publications finder
Remove link to Whitehall publications finder

This commit removes the link to the Whitehall publications finder, as it does not map directly to any of the new finders.

Trello: https://trello.com/c/3BuGZK2A

alphagov/whitehall,alphagov/whitehall,alphagov/whitehall,alphagov/whitehall