Use color settings from Tasty instance

Author: Tobias Bordenca

library/src/scala/tasty/util/ShowExtractors.scala

@@ -7,7 +7,6 @@ class ShowExtractors[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty
 
   def showTree(tree: Tree)(implicit ctx: Context): String =
     new Buffer().visitTree(tree).result()
-
   def showCaseDef(caseDef: CaseDef)(implicit ctx: Context): String =
     new Buffer().visitCaseDef(caseDef).result()