Remove out-of-date not about extra Smokey runs
Remove out-of-date not about extra Smokey runs

This was removed in [^1].

[^1]: https://github.com/alphagov/govuk-puppet/pull/11611

alphagov/govuk-developer-docs,alphagov/govuk-developer-docs,alphagov/govuk-developer-docs,alphagov/govuk-developer-docs