Removes example code that isn't correctly wired up

mash/login/login.h

Index: mash/login/login.h
diff --git a/mash/login/login.h b/mash/login/login.h
deleted file mode 100644
index 9fd5ca3ff4360ac690dae40bccf669a29359bbd0..0000000000000000000000000000000000000000
--- a/mash/login/login.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef MASH_LOGIN_LOGIN_H_
-#define MASH_LOGIN_LOGIN_H_
-
-namespace service_manager {
-class Service;
-}
-
-namespace mash {
-namespace login {
-
-service_manager::Service* CreateLogin();
-
-}  // namespace login
-}  // namespace mash
-
-#endif  // MASH_LOGIN_LOGIN_H_