Remove show extension workaround

Author: nicolasstucki

compiler/src/scala/quoted/runtime/impl/QuotesImpl.scala

@@ -28,13 +28,11 @@ object QuotesImpl {
   def apply()(using Context): Quotes =
     new QuotesImpl
 
-  def showDecompiledTree(tree: tpd.Tree)(using Context): String = {
+  def showDecompiledTree(tree: tpd.Tree)(using Context): String =
+    import qctx.reflect.TreeMethodsImpl.{showAnsiColored, show}
     val qctx: QuotesImpl = new QuotesImpl(using MacroExpansion.context(tree))
-    if ctx.settings.color.value == "always" then
-      qctx.reflect.TreeMethodsImpl.temporaryShowAnsiColored(tree)
-    else
-      qctx.reflect.TreeMethodsImpl.temporaryShow(tree)
-  }
+    if ctx.settings.color.value == "always" then showAnsiColored(tree)
+    else show(tree)
 
   // TODO Explore more fine grained scope ids.
   //      This id can only differentiate scope extrusion from one compiler instance to another.

library/src/scala/quoted/Quotes.scala

@@ -193,9 +193,6 @@ trait Quotes { self: runtime.QuoteUnpickler & runtime.QuoteMatching =>
     protected val TreeMethodsImpl: TreeMethods
 
     trait TreeMethods {
-      // Dodo: Drop once extension methods have stabilized
-      def temporaryShowAnsiColored(self: Tree): String = self.showAnsiColored
-      def temporaryShow(self: Tree): String = self.show
 
       extension (self: Tree):
         /** Position in the source code */