Remove unnecessary lines in PRODUCT_PACKAGES

After applied https://android-review.googlesource.com/48504,
NfcNci now depends on libnfc_nci_jni, and the latter depends on
libnfc-nci. No need to list the libs in PRODUCT_PACKAGES.

Change-Id: I267039663e9d70f4e6711cdc51cbc5963b5ab4e9
diff --git a/device.mk b/device.mk
index 728a476..98b9529 100644
--- a/device.mk
+++ b/device.mk
@@ -112,8 +112,6 @@
 
 # NFC packages
 PRODUCT_PACKAGES += \
-    libnfc-nci \
-    libnfc_nci_jni \
     nfc_nci.mako \
     NfcNci \
     Tag \