Boeing said the head of its 737 Max program is leaving as it continues to grapple with fallout over the midair door blowout on an Alaska Air flight last month.Ed Clark, who led Boeing’s troubled department that also oversees the production of its embattled Max 9 model, is leaving immediately, Stan Deal, the chief executive of the commercial airplanes unit, said in a Wednesday memo to employees obtained by The Post.According to his LinkedIn, Clark’s exit caps off a nearly 15-year stint at the Seattle-based f ...