Fix nonsensical (out of date?) code
Fix nonsensical (out of date?) code

It's the job of the code doing the registration to determine if an
edition should be indexed, so it doesn't make sense for the edition
to behave differently if it's not published.

dinuksha/Test,alphagov/govuk_content_models,theodi/govuk_content_models,dinuksha/Test,theodi/govuk_content_models