Merge pull request #2955 from dotty-staging/update-blacklist

Remove scala/collection/parallel/Tasks.scala

Author: liufengyun

compiler/test/dotc/scala-collections.blacklist

@@ -64,9 +64,6 @@ scala/AnyVal.scala
 #    |illegal redefinition of standard class AnyVal
 # (This is intended)
 
-scala/collection/parallel/Tasks.scala
-# java.lang.StackOverflowError
-
 scala/reflect/package.scala
 # 63 |  private[scala] def materializeClassTag[T](): ClassTag[T] = macro ???
 #    |                                                             ^^^^^