Android: Remove unneeded RegisterNatives() calls

net/android/traffic_stats.cc

 // 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 "net/android/traffic_stats.h"
 
 #include "jni/AndroidTrafficStats_jni.h"
 
 namespace net {
 
@@ skipping 25 matching lines @@
   *bytes = Java_AndroidTrafficStats_getCurrentUidTxBytes(env);
   return *bytes != ERROR_NOT_SUPPORTED;
 }
 
 bool GetCurrentUidRxBytes(int64_t* bytes) {
   JNIEnv* env = base::android::AttachCurrentThread();
   *bytes = Java_AndroidTrafficStats_getCurrentUidRxBytes(env);
   return *bytes != ERROR_NOT_SUPPORTED;
 }
 
-bool Register(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 }  // namespace traffic_stats
 
 }  // namespace android
 
 }  // namespace net