USB: cdc-acm: drop redundant driver-data assignment

The interface driver data has already been set by
usb_driver_claim_interface() so drop the redundant subsequent
assignment.
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210322155318.9837-4-johan@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/class/cdc-acm.c

@@ -1500,7 +1500,6 @@ static int acm_probe(struct usb_interface *intf,
 	acm_set_line(acm, &acm->line);
 
 	usb_driver_claim_interface(&acm_driver, data_interface, acm);
-	usb_set_intfdata(data_interface, acm);
 
 	tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor,
 			&control_interface->dev);