staging: line6: drop unused line6_index and line6_id arrays

The line6 driver does not support 'index' and 'id' module parameters so
there is no need to keep arrays for these values.  Do what other sound
drivers do and use the scalar constants instead of dummy arrays.
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/line6/audio.c

@@ -16,20 +16,16 @@
 #include "driver.h"
 #include "audio.h"
 
-static int line6_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
-static char *line6_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
-
 /*
 	Initialize the Line6 USB audio system.
 */
 int line6_init_audio(struct usb_line6 *line6)
 {
-	static int dev;
 	struct snd_card *card;
 	int err;
 
-	err = snd_card_create(line6_index[dev], line6_id[dev], THIS_MODULE, 0,
-			      &card);
+	err = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
+			      THIS_MODULE, 0, &card);
 	if (err < 0)
 		return err;