By Ali Lyon Several leading tax and wealth advisors have told City AM that scrapping the non-dom regime without a suitable replacement is a “monumentally stupid decision” that has already prompted some to leave. One of the key measures introduced in Wednesday’s budget was abolishing the non-dom status, a regime that allowed certain tax breaks for people whose permanent residence was overseas. It had been part of the Labour Party manifesto before the election but was the subject of an intense lobbying campaign in the run-up to the Budget, with wealth advisors and the non-dom’s industry body war…