Reactivate basic auth in skyscape for protected hosts
Reactivate basic auth in skyscape for protected hosts

This reverts a change in 72839e5, I can't see any explanation for why
this was done.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet