The Bownaissance may well be over. If Winnipeg holds on to the second wild-card spot, it’s starting to look like it will be in spite of their coach as much as because of him. Look no further than the first period of Winnipeg’s 3-0 loss to San Jose — whose win lifted the Sharks out of 32nd place in the NHL. Mark Scheifele spun off his check behind the Sharks net and placed a dangerous pass to his linemate in the slot. For some reason, that linemate was Blake Wheeler, who hasn’t scored a goal since Feb. 14. It wasn’t…