Remove code associated with the old "kompile" functionality.

pkg/front_end/testcases/rasta/issue_000012.dart.dartk.expect

Index: pkg/front_end/testcases/rasta/issue_000012.dart.dartk.expect
diff --git a/pkg/front_end/testcases/rasta/issue_000012.dart.dartk.expect b/pkg/front_end/testcases/rasta/issue_000012.dart.dartk.expect
deleted file mode 100644
index 57f70750b3b43683990e10f18a27de5327080d80..0000000000000000000000000000000000000000
--- a/pkg/front_end/testcases/rasta/issue_000012.dart.dartk.expect
+++ /dev/null
@@ -1,19 +0,0 @@
-library;
-import self as self;
-import "dart:core" as core;
-
-class A extends core::Object {
-  field dynamic field;
-  constructor •() → self::A
-    : super core::Object::•();
-}
-class B extends self::A {
-  constructor •() → self::B
-    : super self::A::•();
-  method m() → dynamic {
-    super.{self::A::field} = 42;
-  }
-}
-static method main() → dynamic {
-  new self::B::•().m();
-}