HID: wacom: remove annoying non-error printk

This is the only line printed on my "quiet" boot and seems completely
unnecessary.
Signed-off-by: NCory Fields <FOSS@AtlasTechnologiesInc.com>
Signed-off-by: NBastien Nocera <hadess@hadess.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

drivers/hid/hid-wacom.c

@@ -277,7 +277,6 @@ static int __init wacom_init(void)
 	ret = hid_register_driver(&wacom_driver);
 	if (ret)
 		printk(KERN_ERR "can't register wacom driver\n");
-	printk(KERN_ERR "wacom driver registered\n");
 	return ret;
 }