Description

If I configure the parser to not support the implicit option/verb 'help', the help text still contains the option/verb.
(This is possibly related to #414)

Expected Behavior

I expect that the option/verb is not displayed.

Environment

• .NET Core 2.2 Application
• CommandLineParser Nuget Package 2.5.0

How to Reproduce

1. Configure the parser:

   var parser = new Parser(config =>
     {
       config.AutoHelp = false;
       config.HelpWriter = Console.Out;
     });
   var parserResult = parser.ParseArguments ...
   

2. Execute your program with --help

   ERROR(S):
   Verb '--help' is not recognized.

   --help Display this help screen.

   --version Display version information.