Remove positions from modifiers

Author: nicolasstucki

compiler/src/dotty/tools/dotc/tasty/internal/Modifier.scala

@@ -15,8 +15,6 @@ object Modifier {
 
   private case class Impl(mod: untpd.Mod, ctx: Context) extends modifiers.Modifier {
 
-    override def pos: scala.tasty.Position =  new Position(sourcePos(mod.pos)(ctx))
-
     override def isProtected: Boolean = mod.flags.is(Protected)
     override def isAbstract: Boolean = mod.flags.is(Abstract)
     override def isFinal: Boolean = mod.flags.is(Final)

compiler/src/dotty/tools/dotc/tasty/internal/QualifiedModifier.scala

@@ -24,7 +24,7 @@ object QualifiedModifier {
     else None
   }
 
-  private[tasty] class Impl(val tree: tpd.DefTree)(implicit val ctx: Context) extends modifiers.Modifier with Positioned {
+  private[tasty] class Impl(val tree: tpd.DefTree)(implicit val ctx: Context) extends modifiers.Modifier {
 
     override def toString: String = {
       import Toolbox.extractor

library/src/scala/tasty/modifiers/Modifier.scala

@@ -4,7 +4,7 @@ package modifiers
 import scala.runtime.tasty.Toolbox
 import scala.tasty.trees.Term
 
-trait Modifier extends Positioned {
+trait Modifier {
 
   def isProtected: Boolean = false
   def isAbstract: Boolean = false

tests/pos/tasty/definitions.scala

@@ -218,7 +218,7 @@ object definitions {
 
 // ====== Modifiers ==================================
 
-  enum Modifier extends Positioned {
+  enum Modifier {
     case Private, Protected, Abstract, Final, Sealed, Case, Implicit, Erased, Lazy, Override, Inline,
          Macro,                 // inline method containing toplevel splices
          Static,                // mapped to static Java member