Reverts r22717 (#39111, #40137).

git-svn-id: https://svn.redmine.org/redmine/trunk@22718 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/help_controller.rb

@@ -1,25 +0,0 @@
-# frozen_string_literal: true
-
-# Redmine - project management software
-# Copyright (C) 2006-2023  Jean-Philippe Lang
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-class HelpController < ApplicationController
-  def show_wiki_syntax
-    type = params[:type].nil? ? "" : "#{params[:type]}_"
-    render :template => "help/wiki_syntax/#{current_language.to_s}/wiki_syntax_#{type}#{Setting.text_formatting}", :layout => nil
-  end
-end

config/routes.rb

@@ -407,8 +407,6 @@ Rails.application.routes.draw do
 
   get 'robots.:format', :to => 'welcome#robots', :constraints => {:format => 'txt'}
 
-  match 'help/wiki_syntax/(:type)', :controller => 'help', :action => 'show_wiki_syntax', :via => :get, :constraints => { :type => /detailed/ }
-
   Redmine::Plugin.directory.glob("*/config/routes.rb").sort.each do |plugin_routes_path|
     instance_eval(plugin_routes_path.read, plugin_routes_path.to_s)
   rescue SyntaxError, StandardError => e