base: Remove unneeded RegisterNatives() calls on Android

base/threading/platform_thread_android.cc

Index: base/threading/platform_thread_android.cc
diff --git a/base/threading/platform_thread_android.cc b/base/threading/platform_thread_android.cc
index fd5e54d8af961fe03c90d3bd6c7b61b111aa6f13..d771f88c1d6d77227ff40d90aef91db7788d70a0 100644
--- a/base/threading/platform_thread_android.cc
+++ b/base/threading/platform_thread_android.cc
@@ -12,7 +12,6 @@
 #include <unistd.h>
 
 #include "base/android/jni_android.h"
-#include "base/android/thread_utils.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/platform_thread_internal_posix.h"
@@ -96,8 +95,4 @@ size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) {
 #endif
 }
 
-bool RegisterThreadUtils(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 }  // namespace base