Remove unneeded JNI registrations.

base/android/path_service_android.cc

 // Copyright (c) 2012 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/path_service_android.h"
-
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "jni/PathService_jni.h"
 
 namespace base {
 namespace android {
 
 void Override(JNIEnv* env, jclass clazz, jint what, jstring path) {
   FilePath file_path(ConvertJavaStringToUTF8(env, path));
   PathService::Override(what, file_path);
 }
 
-bool RegisterPathService(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 }  // namespace android
 }  // namespace base