President Donald Trump reorganized his National Security Council on Wednesday, removing his chief strategist, Stephen Bannon, and downgrading the role of his Homeland Security Adviser, Tom Bossert, according to a person familiar with the decision and a regulatory filing. National Security Adviser H.R. McMaster was given responsibility for setting the agenda for meetings of the NSC or the Homeland Security Council, and was authorized to delegate that authority to Bossert, at his discretion, according to the filing. Under the move, the national intelligence director, Dan Coats, and the chairman of the Joint Chiefs of Staff, Marine Corps General Joseph Dunford, are again "regular attendees" of the NSC’s principals committee. Bannon, the former executive chairman of Breitbart News, was elevated…