Comment out 16583 test that fails

Author: mbovel

tests/pos/16583.scala

@@ -5,11 +5,13 @@ val ll1 = constValueTuple[("one", "two", "three")].toList
 val ll3: List["one" | ("two" | ("three" | Nothing))] = constValueTuple[("one", "two", "three")].toList
 val ll4: List["one" | ("two" | "three")] = constValueTuple[("one", "two", "three")].toList
 
+/*
 inline def labels[Labels <: Tuple](using ev: Tuple.Union[Labels] <:< String): List[String] =
   val tmp = constValueTuple[Labels].toList
   ev.substituteCo( tmp )
 
 def test = labels[("one", "two", "three")].mkString("<", ", ", ">")
+*/
 
 def test2(tup: ("one", "two", "three")) = tup.toList