By Huw Jones LONDON (Reuters) – The financial sector should not bet on remaining deadlines changing for the phasing out of the use of Libor interest rates, Britain’s Financial Conduct Authority (FCA) said on Wednesday. Helen Boyd, head of markets policy at the FCA, said the market had “categorically proven” it can ditch the London Interbank Offered Rate or Libor, a widely used rate tarnished after banks tried to rig it. The bulk of contracts such as mortgages, credit cards and business loans pegged to Libor, which was compiled across five currencies, were phased out by the end of 2021. Phasing…