[remoting android] Remove host It2Me implementation.

remoting/host/android/remoting_host_jni_onload.cc

-// 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.
-
-#include "base/android/base_jni_onload.h"
-#include "base/android/base_jni_registrar.h"
-#include "base/android/jni_android.h"
-#include "base/android/jni_registrar.h"
-#include "base/bind.h"
-#include "base/macros.h"
-#include "net/android/net_jni_registrar.h"
-#include "remoting/host/android/remoting_host_jni_registrar.h"
-
-namespace {
-
-base::android::RegistrationMethod kRemotingRegisteredMethods[] = {
-    {"base", base::android::RegisterJni},
-    {"net", net::android::RegisterJni},
-    {"remoting_host", remoting::RegisterJni},
-};
-
-bool RegisterJNI(JNIEnv* env) {
-  return base::android::RegisterNativeMethods(
-      env, kRemotingRegisteredMethods, arraysize(kRemotingRegisteredMethods));
-}
-
-}  // namespace
-
-JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
-  std::vector<base::android::RegisterCallback> register_callbacks;
-  register_callbacks.push_back(base::Bind(&RegisterJNI));
-  std::vector<base::android::InitCallback> init_callbacks;
-  if (!base::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
-      !base::android::OnJNIOnLoadInit(init_callbacks)) {
-    return -1;
-  }
-  return JNI_VERSION_1_4;
-}