NaCl: Remove unused prototypes of RegisterInternalNaClPlugin()

ppapi/native_client/src/trusted/plugin/nacl_entry_points.h

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+ * Copyright (c) 2012 The Chromium Authors. All rights reserved.
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+ * found in the LICENSE file.
+ */
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_NACL_ENTRY_POINTS_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_NACL_ENTRY_POINTS_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <string>
 
 #include "native_client/src/shared/imc/nacl_imc.h"
 
 
 typedef bool (*LaunchNaClProcessFunc)(const char* url,
                                       int socket_count,
                                       nacl::Handle* result_sockets,
                                       nacl::Handle* nacl_process_handle,
                                       int* nacl_process_id);
 
 typedef int (*GetURandomFDFunc)(void);
 
 
 extern LaunchNaClProcessFunc launch_nacl_process;
 extern GetURandomFDFunc get_urandom_fd;
 
-// Registers the internal NaCl plugin with PluginList.
-// Old version.  TODO(mseaborn): Remove this eventually, when Chromium
-// has stopped using it for a while.  Note that this is still called
-// by Chromium in the browser process.
-void RegisterInternalNaClPlugin();
-// New version.
-void RegisterInternalNaClPlugin(const std::map<std::string, uintptr_t>& funcs);
-
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_NACL_ENTRY_POINTS_H_