Drop stray // error

Author: odersky

tests/run/i11419.scala

@@ -3,7 +3,7 @@ import language.experimental.multiSpreads
 object Test {
   def main(args: Array[String]): Unit = {
     val arr: Array[String] = Array("foo")
-    val lst = List("x", arr*) // error
+    val lst = List("x", arr*)
     println(lst)
   }
 }