audio: remove obsolete audio policy library

Change-Id: I3196593e95e71cf850e26e331eae9d4db55c88eb
diff --git a/device.mk b/device.mk
index 7e88b20..8507e84 100644
--- a/device.mk
+++ b/device.mk
@@ -185,7 +185,6 @@
 	memtrack.msm8960
 
 PRODUCT_PACKAGES += \
-	audio_policy.msm8960 \
 	audio.primary.msm8960 \
 	audio.a2dp.default \
 	audio.usb.default \