Android: Remove unneeded RegisterNatives() calls

chrome/browser/android/accessibility_util.h

 // Copyright 2014 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 CHROME_BROWSER_ANDROID_ANDROID_ACCESSIBILITY_UTIL_H_
 #define CHROME_BROWSER_ANDROID_ANDROID_ACCESSIBILITY_UTIL_H_
 
 #include "base/android/jni_android.h"
 
 namespace chrome {
 namespace android {
 
 class AccessibilityUtil {
  public:
-  static bool Register(JNIEnv* env);
-
   static bool IsAccessibilityEnabled();
 
  private:
   AccessibilityUtil();
 };
 
 }  // namespace android
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_ANDROID_ANDROID_ACCESSIBILITY_UTIL_H_