ui: Remove unneeded RegisterNatives() call on Android

ui/events/android/events_jni_registrar.h

Index: ui/events/android/events_jni_registrar.h
diff --git a/ui/events/android/events_jni_registrar.h b/ui/events/android/events_jni_registrar.h
deleted file mode 100644
index 4b2b0273383ee0db5ce51cde4fef017c0002ad4e..0000000000000000000000000000000000000000
--- a/ui/events/android/events_jni_registrar.h
+++ /dev/null
@@ -1,25 +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 UI_EVENTS_ANDROID_EVENTS_JNI_REGISTRAR_H_
-#define UI_EVENTS_ANDROID_EVENTS_JNI_REGISTRAR_H_
-
-#include <jni.h>
-
-#include "ui/events/events_export.h"
-
-namespace ui {
-namespace events {
-namespace android {
-
-// Register all JNI bindings necessary for chrome.
-EVENTS_EXPORT bool RegisterJni(JNIEnv* env);
-
-}  // namespace android
-}  // namespace events
-}  // namespace ui
-
-
-
-#endif  // UI_EVENTS_ANDROID_EVENTS_JNI_REGISTRAR_H_