Remove audio route from snd-edgetpu-card that was causing a cycle

- Should allow sound to output from speaker at first boot

Change-Id: Ic1eeb9887538546f964411cc38d7625952c8a3b2
(cherry picked from commit e0d6bd80d0e2b27c72b40bc255a8fb1897e40e12)
diff --git a/sound/soc/google/snd-edgetpu-card.c b/sound/soc/google/snd-edgetpu-card.c
index b1f7c57..8c9b36f 100644
--- a/sound/soc/google/snd-edgetpu-card.c
+++ b/sound/soc/google/snd-edgetpu-card.c
@@ -131,7 +131,6 @@
 };
 
 static const struct snd_soc_dapm_route audio_routes[] = {
-	{"CPU-Playback", NULL, "AIF1 Playback"},
 	{"AIF1 Capture", NULL, "CPU-Capture"},
 	{"micbias1", NULL, "Headphone Mic"},
 	{"IN1P", NULL, "micbias1"},