Android: Remove unneeded RegisterNatives() calls

device/power_save_blocker/power_save_blocker_jni_registrar.h

Index: device/power_save_blocker/power_save_blocker_jni_registrar.h
diff --git a/device/power_save_blocker/power_save_blocker_jni_registrar.h b/device/power_save_blocker/power_save_blocker_jni_registrar.h
deleted file mode 100644
index 7e05d366d4d3a0b391a99a0cb96af4f94495cfa4..0000000000000000000000000000000000000000
--- a/device/power_save_blocker/power_save_blocker_jni_registrar.h
+++ /dev/null
@@ -1,24 +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 DEVICE_POWER_SAVE_BLOCKER_ANDROID_POWER_SAVE_BLOCKER_JNI_REGISTRAR_H_
-#define DEVICE_POWER_SAVE_BLOCKER_ANDROID_POWER_SAVE_BLOCKER_JNI_REGISTRAR_H_
-
-#include <jni.h>
-
-#include "device/power_save_blocker/power_save_blocker_export.h"
-
-namespace device {
-namespace android {
-
-// Registers C++ methods in device/power_save_blocker classes with JNI.
-// See https://www.chromium.org/developers/design-documents/android-jni
-//
-// Must be called before classes in the Bluetooth module are used.
-DEVICE_POWER_SAVE_BLOCKER_EXPORT bool RegisterPowerSaveBlockerJni(JNIEnv* env);
-
-}  // namespace android
-}  // namespace device
-
-#endif  // DEVICE_POWER_SAVE_BLOCKER_ANDROID_POWER_SAVE_BLOCKER_JNI_REGISTRAR_H_