Removing the code added to make chrome compile on Aura Android.

chrome/browser/media_galleries/android/mtp_device_delegate_impl_android.cc

Index: chrome/browser/media_galleries/android/mtp_device_delegate_impl_android.cc
diff --git a/chrome/browser/media_galleries/android/mtp_device_delegate_impl_android.cc b/chrome/browser/media_galleries/android/mtp_device_delegate_impl_android.cc
deleted file mode 100644
index 0c15fc8716eb24964d4502f95914080c9e90aae0..0000000000000000000000000000000000000000
--- a/chrome/browser/media_galleries/android/mtp_device_delegate_impl_android.cc
+++ /dev/null
@@ -1,17 +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.
-
-#include "chrome/browser/media_galleries/fileapi/mtp_device_async_delegate.h"
-
-void CreateMTPDeviceAsyncDelegate(
-    const std::string& device_location,
-    const bool read_only,
-    const CreateMTPDeviceAsyncDelegateCallback& callback) {
-  // Return nullptr as there is no MTPDeviceAsyncDelegate implementation for
-  // Chrome on Android at the moment.
-  // TODO(crbug.com/560390): Add an MTPDeviceAsyncDelegate implementation on
-  // Android.
-  NOTIMPLEMENTED();
-  callback.Run(nullptr);
-}