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

There's no need to clear the interface driver data on failed probe (and
driver core will clear it anyway).
Acked-by: NOliver Neukum <oneukum@suse.com>
Signed-off-by: NJohan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210322155318.9837-5-johan@kernel.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/class/cdc-acm.c

@@ -1528,7 +1528,6 @@ static int acm_probe(struct usb_interface *intf,
 	}
 	device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities);
 alloc_fail5:
-	usb_set_intfdata(intf, NULL);
 	for (i = 0; i < ACM_NW; i++)
 		usb_free_urb(acm->wb[i].urb);
 alloc_fail4: