HID: sony: remove redundant check for -ve err

err is being checked for failure each time it is being updated
so this err check is totally redundant and can be removed

Detected with CoverityScan, CID#1420665 ("Logically dead code")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Reviewed-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

drivers/hid/hid-sony.c

@@ -2654,9 +2654,6 @@ static int sony_input_configured(struct hid_device *hdev,
 		ret = 0;
 	}
 
-	if (ret < 0)
-		goto err_stop;
-
 	if (sc->quirks & SONY_LED_SUPPORT) {
 		ret = sony_leds_init(sc);
 		if (ret < 0)