Make the fuchsia mojo/public repo the source of truth.

mojo/public/tools/bindings/generators/go_templates/enum.tmpl

-// Copyright 2015 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.
-
-{% import "runtime_type_macros.tmpl" as runtime_type_macros %}
-
-{% macro define(enum, typepkg, package) %}
-type {{enum|name}} int32
-
-const (
-{% for field in enum.fields %}
-{%   if loop.first %}
-{%     if field.value %}
-        {{enum|name}}_{{field|name}} {{enum|name}} = {{field.value|expression_to_text}}
-{%     else %}
-        {{enum|name}}_{{field|name}} {{enum|name}} = 0
-{%     endif %}
-{%   elif field.value %}
-        {{enum|name}}_{{field|name}} = {{field.value|expression_to_text}}
-{%   else %}
-        {{enum|name}}_{{field|name}} = {{enum|name}}_{{enum.fields[loop.index0 - 1]|name}} + 1;
-{%   endif%}
-{% endfor %}
-)
-
-{%- set type_name = enum|name(exported) %}
-{{runtime_type_macros.maybeWriteStaticMojomTypeAccessor(typepkg, enum)}}
-{{runtime_type_macros.maybeWriteMojomTypeAccessor(typepkg, enum,type_name)}}
-
-{% endmacro %}