[cgi] remove httpclient_finish function
[cgi] remove httpclient_finish function

as the content length is unknown the client will close the connection
after the request.

ouistiti-project/ouistiti,ouistiti-project/ouistiti,ouistiti-project/ouistiti,ouistiti-project/ouistiti,ouistiti-project/ouistiti,ouistiti-project/ouistiti