Sean ‘Diddy’ Combs’ honorary degree from Howard University has been revoked. The ‘I’ll Be Missing You’ hitmaker had the honour conferred in 2014 but the historically Black institution have announced their board of trustees have voted unanimously to return his degree following the recent release of 2016 video footage which showed the disgraced music mogul attacking his then-girlfriend Cassie Ventura. A statement from the board read: “The Howard University Board of Trustees voted unanimously today to accept the return by Mr. Sean Combs of the honorary degree conferred upon him in 2014. This acce…