Remove unneeded JNI registrations.

mojo/shell/android/mojo_main.cc

 // Copyright 2013 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.
 
-#include "mojo/shell/android/mojo_main.h"
-
 #include "base/android/jni_string.h"
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "jni/MojoMain_jni.h"
 #include "mojo/public/shell/application.h"
@@ skipping 83 matching lines @@
   shell_context->set_activity(activity.obj());
   g_viewport_service_loader.Get().reset(new NativeViewportServiceLoader());
   shell_context->service_manager()->SetLoaderForURL(
       g_viewport_service_loader.Get().get(),
       GURL("mojo:mojo_native_viewport_service"));
 
   g_context.Get().reset(shell_context);
   shell::Run(shell_context);
 }
 
-bool RegisterMojoMain(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 }  // namespace mojo