media: cpia2_usb: drop bogus interface-release call

Drop bogus call to usb_driver_release_interface() from the disconnect()
callback. As the interface is already being unbound at this point,
usb_driver_release_interface() simply returns early.
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/cpia2/cpia2_usb.c

@@ -910,9 +910,6 @@ static void cpia2_usb_disconnect(struct usb_interface *intf)
 		wake_up_interruptible(&cam->wq_stream);
 	}
 
-	DBG("Releasing interface\n");
-	usb_driver_release_interface(&cpia2_driver, intf);
-
 	LOG("CPiA2 camera disconnected.\n");
 }