Don't set the number of unicorn workers
Don't set the number of unicorn workers

This is set in puppet to 8 (for a frontend box) or 4 (for a backend box):
https://github.com/alphagov/govuk-puppet/blob/725316a556c0ec3d429d94185314fb15044775cc/modules/govuk/manifests/apps/whitehall.pp#L162-L166
alphagov/whitehall,alphagov/whitehall,alphagov/whitehall,alphagov/whitehall