Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/rasta/enum.dart.dartk.expect

Index: pkg/front_end/test/fasta/rasta/enum.dart.dartk.expect
diff --git a/pkg/front_end/test/fasta/rasta/enum.dart.dartk.expect b/pkg/front_end/test/fasta/rasta/enum.dart.dartk.expect
deleted file mode 100644
index 249b79c0b553a16627cba80c34be5d70b0d9996a..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/rasta/enum.dart.dartk.expect
+++ /dev/null
@@ -1,16 +0,0 @@
-library;
-import self as self;
-import "dart:core" as core;
-
-class Foo extends core::Object {
-  final field core::int index;
-  static const field core::List<self::Foo> values = const <self::Foo>[self::Foo::ec1, self::Foo::ec2];
-  static const field self::Foo ec1 = const self::Foo::•(0);
-  static const field self::Foo ec2 = const self::Foo::•(1);
-  const constructor •(core::int index) → void
-    : self::Foo::index = index, super core::Object::•()
-    ;
-  method toString() → core::String
-    return const <core::int, core::String>{0: "Foo.ec1", 1: "Foo.ec2"}.[](this.{=self::Foo::index});
-}
-static method main() → dynamic {}