Remove code associated with the old "kompile" functionality.

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

Index: pkg/front_end/testcases/rasta/external_factory_redirection.dart.dartk.expect
diff --git a/pkg/front_end/testcases/rasta/external_factory_redirection.dart.dartk.expect b/pkg/front_end/testcases/rasta/external_factory_redirection.dart.dartk.expect
deleted file mode 100644
index 8977e845153ac6f04a1f8350ad7d81f4ef3918ef..0000000000000000000000000000000000000000
--- a/pkg/front_end/testcases/rasta/external_factory_redirection.dart.dartk.expect
+++ /dev/null
@@ -1,9 +0,0 @@
-library;
-import self as self;
-import "dart:collection" as col;
-import "dart:core" as core;
-
-static method main() → dynamic {
-  "Should redirect to LinkedHashMap constructor.";
-  col::LinkedHashMap::•<core::Symbol, dynamic>();
-}