USB: usb_wwan: remove redundant modem-control request

The tty-port implementation has already made sure that DTR/RTS have been
raised by calling dtr_rts so remove the redundant call from open.
Signed-off-by: NJohan Hovold <jhovold@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/usb_wwan.c

@@ -408,9 +408,6 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port)
 		}
 	}
 
-	if (intfdata->send_setup)
-		intfdata->send_setup(port);
-
 	spin_lock_irq(&intfdata->susp_lock);
 	portdata->opened = 1;
 	if (++intfdata->open_ports == 1)