Remove libaudioutils, now in core

Change-Id: I78f3e6476665b4ff211642299ba956b18d2cf5a8
diff --git a/device.mk b/device.mk
index e5da58c..761fb9c 100644
--- a/device.mk
+++ b/device.mk
@@ -48,8 +48,7 @@
 
 PRODUCT_PACKAGES += \
 	audio.primary.tuna \
-	audio.a2dp.default \
-	libaudioutils
+	audio.a2dp.default
 
 PRODUCT_PACKAGES += \
 	tuna_hdcp_keys