Android: Remove unneeded RegisterNatives() calls

net/android/keystore.cc

 // Copyright (c) 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 "net/android/keystore.h"
 
 #include <vector>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 79 matching lines @@
 }
 
 ScopedJavaLocalRef<jobject> GetOpenSSLEngineForPrivateKey(
     jobject private_key_ref) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> engine =
       Java_AndroidKeyStore_getOpenSSLEngineForPrivateKey(env, private_key_ref);
   return engine;
 }
 
-bool RegisterKeyStore(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 }  // namespace android
 }  // namespace net