By Huw Jones LONDON (Reuters) – Britain’s Financial Conduct Authority (FCA) said on Monday it will hire 200 people to staff an existing office in Edinburgh and a new base in Leeds as part of a revamp to become a more effective watchdog after facing some discontent among staff. The FCA is facing unease among staff at its London head office over changes to pay by scrapping bonuses, leaving it facing potential industrial action for the first time. Labour union Unite, which is seeking to represent the agency’s employees, has accused the FCA of turning the watchdog into a “bargain basement” regulat…