revert the unncessary change

Author: chenghao-intel

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/namedExpressions.scala

@@ -112,7 +112,6 @@ case class Alias(child: Expression, name: String)(
   extends NamedExpression with trees.UnaryNode[Expression] {
 
   override type EvaluatedType = Any
-  override lazy val resolved = childrenResolved
 
   override def eval(input: Row): Any = child.eval(input)