Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/rasta/issue_000012.dart.direct.expect

Index: pkg/front_end/test/fasta/rasta/issue_000012.dart.direct.expect
diff --git a/pkg/front_end/test/fasta/rasta/issue_000012.dart.direct.expect b/pkg/front_end/test/fasta/rasta/issue_000012.dart.direct.expect
deleted file mode 100644
index db0b7d9e3e9ab8548b79ed13a64e681123584692..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/rasta/issue_000012.dart.direct.expect
+++ /dev/null
@@ -1,21 +0,0 @@
-library;
-import self as self;
-import "dart:core" as core;
-
-class A extends core::Object {
-  field dynamic field = null;
-  constructor •() → void
-    : super core::Object::•()
-    ;
-}
-class B extends self::A {
-  constructor •() → void
-    : super self::A::•()
-    ;
-  method m() → dynamic {
-    this.{=self::A::field} = 42;
-  }
-}
-static method main() → dynamic {
-  new self::B::•().m();
-}