A reader wants to return to the era of unselfishness instead of superstars. We examine. Damian Lillard is the heart and soul of the Portland Trail Blazers. That fact is inarguable. If they plan to do anything significant in the near future, their fortunes ride on him. But should it be that way. That’s the subject of today’s Blazer’s Edge Mailbag. Dave, I keep hearing you say how much our future relies on Dame Lillard and I don’t disagree but should it be that way? What happened to team ball? When I was growing up I remember rooting for a…