Remove scala.quoted.show.apply and use Expr.show

`scala.quoted.show.apply` was only intorduced to reduce the diff in the tests.
Instead we use the equivalent `run(expr.show.toExpr)` notation explicitly.
This has the added advantage of showing explicitly where new compiler runs are located.

Author: nicolasstucki

compiler/test-resources/repl-macros/i6007

@@ -1,8 +1,9 @@
 scala> implicit def toolbox: scala.quoted.Toolbox = scala.quoted.Toolbox.make(getClass.getClassLoader)
 def toolbox: quoted.Toolbox
+scala> import scala.quoted._
 scala> val v = '{ (if true then Some(1) else None).map(v => v+1) }
 val v: quoted.Expr[Option[Int]] = Expr(<pickled tasty>)
-scala> scala.quoted.show(v)
+scala> scala.quoted.run(v.show.toExpr)
 val res0: String = (if (true) scala.Some.apply[scala.Int](1) else scala.None).map[scala.Int](((v: scala.Int) => v.+(1)))
 scala> scala.quoted.run(v)
 val res1: Option[Int] = Some(2)

library/src/scala/quoted/show/package.scala

@@ -10,7 +10,7 @@ object Test {
     def test(expr: String): Unit = {
       val t = toolbox.parse(expr)
       println(expr)
-      println(show(t, printPositions = true))
+      println(run(t, printPositions = true.show.toExpr))
       println()
     }
     val tests = """

tests/disabled/reflect/run/position-val-def.scala

@@ -5,6 +5,6 @@ object Test {
       val z: $t = $x
     }
     implicit val toolbox: scala.quoted.Toolbox = scala.quoted.Toolbox.make(getClass.getClassLoader)
-    println(show(f('{2})(Type.IntTag)))
+    println(run(f('{2})(Type.IntTag).show.toExpr))
   }
 }

tests/run-with-compiler/i3823-b.scala

@@ -5,6 +5,6 @@ object Test {
       val z = $x
     }
     implicit val toolbox: scala.quoted.Toolbox = scala.quoted.Toolbox.make(getClass.getClassLoader)
-    println(show(f('{2})(Type.IntTag)))
+    println(run(f('{2})(Type.IntTag).show.toExpr))
   }
 }

tests/run-with-compiler/i3823-c.scala

@@ -5,6 +5,6 @@ object Test {
       val z: $t = $x
     }
     implicit val toolbox: scala.quoted.Toolbox = scala.quoted.Toolbox.make(getClass.getClassLoader)
-    println(show(f('{2})('[Int])))
+    println(run(f('{2})('[Int]).show.toExpr))
   }
 }

tests/run-with-compiler/i3823.scala

@@ -18,6 +18,6 @@ object Test {
     import Arrays._
     implicit val ct: Expr[ClassTag[Int]] = '{ClassTag.Int}
     val arr: Expr[Array[List[Int]]] = Array[List[Int]](List(1, 2, 3)).toExpr
-    println(show(arr))
+    println(run(arr.show.toExpr))
   }
 }

tests/run-with-compiler/i3847-b.scala

@@ -18,6 +18,6 @@ object Test {
     import Arrays._
     implicit val ct: Expr[ClassTag[Int]] = '{ClassTag.Int}
     val arr: Expr[Array[Int]] = Array[Int](1, 2, 3).toExpr
-    println(show(arr))
+    println(run(arr.show.toExpr))
   }
 }

tests/run-with-compiler/i3847.scala

@@ -11,6 +11,6 @@ object Test {
     }
 
     println(run(f2(x)))
-    println(show(f2(x)))
+    println(run(f2(x).show.toExpr))
   }
 }

tests/run-with-compiler/i3876-b.scala

@@ -11,6 +11,6 @@ object Test {
     }
 
     println(run(f3(x)))
-    println(show(f3(x))) // TODO improve printer
+    println(run(f3(x).show.toExpr)) // TODO improve printer
   }
 }