Remove duplication between Mandoline and mojo_runner main functions.

mandoline/app/desktop/launcher_process.h

Index: mandoline/app/desktop/launcher_process.h
diff --git a/mandoline/app/desktop/launcher_process.h b/mandoline/app/desktop/launcher_process.h
deleted file mode 100644
index 045b303c12ff2a42de29e1744728a1be2916c134..0000000000000000000000000000000000000000
--- a/mandoline/app/desktop/launcher_process.h
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2015 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 MANDOLINE_APP_DESKTOP_LAUNCHER_PROCESS_H_
-#define MANDOLINE_APP_DESKTOP_LAUNCHER_PROCESS_H_
-
-namespace mandoline {
-
-// Main method for the launcher process.
-int LauncherProcessMain(int argc, char** argv);
-
-}  // namespace mandoline
-
-#endif  // MANDOLINE_APP_DESKTOP_LAUNCHER_PROCESS_H_