LONDON (Reuters) -Britain scrapped its so-called “golden visas” for wealthy investors on Thursday amid concerns about the inflow of illicit Russian money at a time of heightened tensions between Moscow and the West over Ukraine. Hundreds of billions of dollars have flowed into London and Britain’s overseas territories from Russia since the fall of the Soviet Union in 1991, raising fears among some allies that illicit money was cascading into the global financial system. British lawmakers on parliament’s Intelligence and Security Committee warned in 2020 that more work needed to be done to tack…