Remove service-compiler related code.

tests/servicec/input_files/undefined_service_2.idl

Index: tests/servicec/input_files/undefined_service_2.idl
diff --git a/tests/servicec/input_files/undefined_service_2.idl b/tests/servicec/input_files/undefined_service_2.idl
deleted file mode 100644
index 8289e36b1c535ae8b51ba2e550999b77d85adccd..0000000000000000000000000000000000000000
--- a/tests/servicec/input_files/undefined_service_2.idl
+++ /dev/null
@@ -1,7 +0,0 @@
-// Copyright (c) 2015, the Dartino project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// undefinedService
-struct Foo {
-}