http NTLM: Further tiding up to libcurl standards

lib/url.c

@@ -2617,9 +2617,7 @@ CURLcode Curl_disconnect(struct connectdata *conn, bool dead_connection)
     if(has_host_ntlm || has_proxy_ntlm) {
       data->state.authproblem = FALSE;
 
-#ifdef USE_NTLM
       Curl_http_ntlm_cleanup(conn);
-#endif
     }
   }