Police Commissioner William B. Evans plans to recommend firing the suspended Boston cop convicted of assaulting an Uber driver in Southie and taking off with his car.Paperwork has been filed to terminate Michael C. Doherty, 43, in the wake of a guilty verdict on charges he assaulted Luis Blanco, the Uber driver ferrying Doherty from the North End to his South Boston home after a night out drinking with friends.“The commissioner is going to recommend termination,” police spokewoman Maisha Miraj told the Herald.