Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/rasta/bad_explicit_super_constructor.dart

Index: pkg/front_end/test/fasta/rasta/bad_explicit_super_constructor.dart
diff --git a/pkg/front_end/test/fasta/rasta/bad_explicit_super_constructor.dart b/pkg/front_end/test/fasta/rasta/bad_explicit_super_constructor.dart
deleted file mode 100644
index 2936518f56f2e6b40eaca88e55023526bd32248f..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/rasta/bad_explicit_super_constructor.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2016, 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.md file.
-
-class A {
-  A(x);
-}
-
-class B extends A {
-  const B() : super();
-}
-
-main() {
-  new B();
-  const B();
-}