Revert "Use default values of named arguments when invoking the default super constructor."

tests/language/src/CompileTimeConstantPTest.dart

Index: tests/language/src/CompileTimeConstantPTest.dart
diff --git a/tests/language/src/CompileTimeConstantPTest.dart b/tests/language/src/CompileTimeConstantPTest.dart
deleted file mode 100644
index 4c2871021063c9b7ea2f14263e34010699b7d066..0000000000000000000000000000000000000000
--- a/tests/language/src/CompileTimeConstantPTest.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-class A {
-  const A(
-    this.x  /// 01: compile-time error
-  );
-  final x;
-}
-
-class B extends A {
-}
-
-var b = const B();
-
-main() {
-  Expect.equals(null, b.x);
-}