Remove redundant 'val' from case class params.

Author: retronym

src/library/scala/xml/Group.scala

@@ -13,7 +13,7 @@ package scala.xml
  *  @author  Burak Emir
  *  @version 1.0
  */
-final case class Group(val nodes: Seq[Node]) extends Node {
+final case class Group(nodes: Seq[Node]) extends Node {
   override def theSeq = nodes
 
   override def canEqual(other: Any) = other match {