Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/implicit_this.dart.direct.expect

Index: pkg/front_end/test/fasta/implicit_this.dart.direct.expect
diff --git a/pkg/front_end/test/fasta/implicit_this.dart.direct.expect b/pkg/front_end/test/fasta/implicit_this.dart.direct.expect
deleted file mode 100644
index 6fb182cdc03a2cfd6ac611c6d8696593e3cbf910..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/implicit_this.dart.direct.expect
+++ /dev/null
@@ -1,27 +0,0 @@
-library;
-import self as self;
-import "dart:core" as core;
-
-class C extends core::Object {
-  constructor •() → void
-    : super core::Object::•()
-    ;
-  method m() → dynamic {
-    core::print("Called m");
-  }
-  method testC() → dynamic {
-    this.m();
-  }
-}
-class D extends self::C {
-  constructor •() → void
-    : super self::C::•()
-    ;
-  method testD() → dynamic {
-    this.m();
-  }
-}
-static method main() → dynamic {
-  new self::C::•().testC();
-  new self::D::•().testD();
-}