LONDON (Reuters) -The British government said on Thursday that a small number of people who had obtained so-called “golden visas” for rich investors might have obtained their wealth through corruption or other illicit financial activity. The government scrapped the visas last year, which had offered a route to residency for those investing at least 2 million pounds ($2.43 million), in the days before the invasion of Ukraine amid concerns about the inflow of illicit Russian money. A review was first commissioned by the government in 2018 after the poisoning of former Russian double agent Sergei…