Revert of Android: support multiple displays on C++ side

ui/android/screen_android.h

Index: ui/android/screen_android.h
diff --git a/ui/android/screen_android.h b/ui/android/screen_android.h
deleted file mode 100644
index 44ffb643bca6772435fa512e1ed57aa5ae3f6104..0000000000000000000000000000000000000000
--- a/ui/android/screen_android.h
+++ /dev/null
@@ -1,23 +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 UI_ANDROID_SCREEN_ANDROID_H_
-#define UI_ANDROID_SCREEN_ANDROID_H_
-
-#include <jni.h>
-#include "ui/android/ui_android_export.h"
-
-namespace display {
-class Screen;
-}
-
-namespace ui {
-
-bool RegisterScreenAndroid(JNIEnv* env);
-
-UI_ANDROID_EXPORT void SetScreenAndroid();
-
-}  // namespace display
-
-#endif  // UI_ANDROID_SCREEN_ANDROID_H_