ALSA: line6: Remove snd_line6_ prefix of pcm property fields

It's just superfluous and doesn't give any better readability.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/line6/pod.c b/sound/usb/line6/pod.c
index 3f7ff66..61aadd7 100644
--- a/sound/usb/line6/pod.c
+++ b/sound/usb/line6/pod.c
@@ -129,7 +129,7 @@
 };
 
 static struct line6_pcm_properties pod_pcm_properties = {
-	.snd_line6_playback_hw = {
+	.playback_hw = {
 				  .info = (SNDRV_PCM_INFO_MMAP |
 					   SNDRV_PCM_INFO_INTERLEAVED |
 					   SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -147,7 +147,7 @@
 				  .period_bytes_max = 8192,
 				  .periods_min = 1,
 				  .periods_max = 1024},
-	.snd_line6_capture_hw = {
+	.capture_hw = {
 				 .info = (SNDRV_PCM_INFO_MMAP |
 					  SNDRV_PCM_INFO_INTERLEAVED |
 					  SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -164,7 +164,7 @@
 				 .period_bytes_max = 8192,
 				 .periods_min = 1,
 				 .periods_max = 1024},
-	.snd_line6_rates = {
+	.rates = {
 			    .nrats = 1,
 			    .rats = &pod_ratden},
 	.bytes_per_frame = POD_BYTES_PER_FRAME