[PATCH] USB: speedtouch remove error handling with usb_clear_halt

usb_clear_halt cannot be used from a completion handler because it sleeps
As that code path would have crashed the driver, it's obviously not needed
and can be removed.

drivers/usb/misc/speedtouch.c

@@ -735,9 +735,6 @@ void udsl_usb_data_receive (struct urb *urb, struct pt_regs *regs)
 			return;
 		}
 		break;
-	case -EPIPE:		/* stall or babble */
-		usb_clear_halt (urb->dev, usb_rcvbulkpipe (urb->dev, UDSL_ENDPOINT_DATA_IN));
-		break;
 	case -ENOENT:		/* buffer was unlinked */
 	case -EILSEQ:		/* unplug or timeout */
 	case -ETIMEDOUT:	/* unplug or timeout */