ASoC: AD1836: drop unnecessary spi register check

The only thing the init func does is register a spi driver, so if that
fails, we return the value back up to the caller who will display an
error message for us.  So drop the redundant checking/message.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/ad1836.c

@@ -385,15 +385,7 @@ static struct spi_driver ad1836_spi_driver = {
 
 static int __init ad1836_init(void)
 {
-	int ret;
-
-	ret = spi_register_driver(&ad1836_spi_driver);
-	if (ret != 0) {
-		printk(KERN_ERR "Failed to register ad1836 SPI driver: %d\n",
-				ret);
-	}
-
-	return ret;
+	return spi_register_driver(&ad1836_spi_driver);
 }
 module_init(ad1836_init);