pal: Unset LOCAL_USE_VNDK

warning: LOCAL_USE_VNDK must not be used. Please use LOCAL_VENDOR_MODULE or LOCAL_PRODUCT_MODULE instead.

Change-Id: I289df6f707145f5c01a10cbecfb1ef7d14895d39
diff --git a/Android.mk b/Android.mk
index 1786003..ce19399 100644
--- a/Android.mk
+++ b/Android.mk
@@ -198,7 +198,6 @@
 include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
-LOCAL_USE_VNDK := true
 
 LOCAL_CFLAGS += -Wno-tautological-compare
 LOCAL_CFLAGS += -Wno-macro-redefined