Tuesday’s announcement wasn’t surprising for Arkansas basketball. That helped fans, at least. Razorbacks freshman guard Nick Smith Jr. announced his decision to declare for the NBA Draft on Tuesday morning via Twitter. Smith, from North Little Rock, averaged 12.5 points on 37.6% shooting in his first and only season at Arkansas. He played in just 17 games in large part because of a knee injury about which the program limited details. At one point in the fall, before the season began, Smith was projected to go as high as No. 2 in the draft. Earlier this week, in the latest…