Remove redundant/erroneous id from spec
Remove redundant/erroneous id from spec

This has been present but seemingly not used since the beginning:
72fffffe5b9024cedfef809bcbe5f25de7532022

alphagov/specialist-publisher-rebuild,ministryofjustice/specialist-publisher,alphagov/specialist-publisher,alphagov/manuals-publisher,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/manuals-publisher,ministryofjustice/specialist-publisher,alphagov/manuals-publisher,alphagov/specialist-publisher,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher,ministryofjustice/specialist-publisher,ministryofjustice/specialist-publisher