base: Remove unneeded RegisterNatives() calls on Android

base/android/sys_utils.cc

 // Copyright 2013 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/sys_utils.h"
 
 #include "base/android/build_info.h"
 #include "base/sys_info.h"
 #include "jni/SysUtils_jni.h"
 
 namespace base {
 namespace android {
 
-bool SysUtils::Register(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 bool SysUtils::IsLowEndDeviceFromJni() {
   JNIEnv* env = AttachCurrentThread();
   return Java_SysUtils_isLowEndDevice(env);
 }
 
 }  // namespace android
 
-}  // namespace base
+}  // namespace base