Update spec in accordance to tame<->tamf relation changes.
Update spec in accordance to tame<->tamf relation changes.

leftees/trade-tariff-backend,alphagov/trade-tariff-backend,bitzesty/trade-tariff-backend,alphagov/trade-tariff-backend,bitzesty/trade-tariff-backend,bitzesty/trade-tariff-backend,leftees/trade-tariff-backend,alphagov/trade-tariff-backend,leftees/trade-tariff-backend