The delegation received visas from Belgium to attend talks with the European Union about the deportation of Afghans. Officials in Afghanistan said the meeting would take place on Tuesday.
The judge quashed the subpoenas, writing that they were designed to "harass and retaliate against" Democratic officials who bucked the Trump administration on immigration enforcement.
His departure in the coming weeks clears a path for Andy Burnham, a popular Labour Party mayor, to become the country's seventh prime minister in a decade.
Vice President JD Vance said Iran had agreed to invite experts from the U.N. agency to resume operations in the country. Tehran and the nuclear watchdog have not commented.
The label boss, who died on Monday, had a passion for hits -- especially ones he masterminded -- during his formidable tenures at Columbia, Arista and J Records.