Remove code associated with the old "kompile" functionality.

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

Index: pkg/front_end/testcases/rasta/this_invoke.dart.dartk.expect
diff --git a/pkg/front_end/testcases/rasta/this_invoke.dart.dartk.expect b/pkg/front_end/testcases/rasta/this_invoke.dart.dartk.expect
deleted file mode 100644
index a605b59496e179d13f741520931986668a50754a..0000000000000000000000000000000000000000
--- a/pkg/front_end/testcases/rasta/this_invoke.dart.dartk.expect
+++ /dev/null
@@ -1,15 +0,0 @@
-library;
-import self as self;
-import "dart:core" as core;
-
-class C extends core::Object {
-  constructor •() → self::C
-    : super core::Object::•();
-  method m(dynamic x) → dynamic
-    return this.call(x);
-  method call(dynamic x) → dynamic
-    return 42;
-}
-static method main() → dynamic {
-  core::print(new self::C::•().m(42));
-}