So there’s never going to be a Hüsker Dü reunion after all. Grant Hart is dead. Hart was a drummer for the ’80s Minneapolis trio that was the Our Band Could Be Your Life band to beat all other Our Band Could Be Your Life bands’ asses. Their meld of pop melody and punk guitar thrash with angry vocals got lots of angsty males to clench their fists. Hart shared songwriting and shrieking duties with guitarist Bob Mould, with Greg Norton the steady but largely ignored bassist completing the lineup. Hart, who took awful care of himself for decades and looked like it, died last night of cancer. He was 56. Hüsker Dü never got big commercially—they never charted an album or released anything close to a radio hit, despite peeving the punks by taking a major label record deal with War…