usb: qcserial: remove interface number matching

Matching on interface numbers was not such a good idea
for multi-function serial devices after all. It is much
better do create well defined device layouts, allowing
a single match entry per device.

Remove this now unused code.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/qcserial.c

@@ -190,13 +190,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 
 	}
 
-	/* allow any number of interfaces when doing direct interface match */
-	if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) {
-		dev_dbg(dev, "Generic Qualcomm serial interface found\n");
-		altsetting = 0;
-		goto done;
-	}
-
 	/* default to enabling interface */
 	altsetting = 0;