Drop redundant filter

Author: odersky

project/MiMaFilters.scala

@@ -20,7 +20,6 @@ object MiMaFilters {
         ProblemFilters.exclude[MissingClassProblem]("scala.annotation.internal.RuntimeChecked"),        
         ProblemFilters.exclude[MissingClassProblem]("scala.annotation.stableNull"),
 
-        ProblemFilters.exclude[DirectMissingMethodProblem]("scala.NamedTuple.namedTupleOrdering"),
         ProblemFilters.exclude[DirectMissingMethodProblem]("scala.NamedTuple.namedTupleOrdering"),
         ProblemFilters.exclude[MissingClassProblem]("scala.NamedTuple$namedTupleOrdering"),