FP3: Drop libnqnfc_nci_jni from unused NXP NFC app

We're using the well-maintained AOSP variant of the app, not the NXP
app. The jni target only exists in the NXP app, not the AOSP one, so
drop it here.

Issue: FP3-A13#2
Change-Id: I8ddfef368dccc93b919521791646879cb00f87d0
(cherry picked from commit 2a4e0545b30b6fed6fcfd4412f8b3bea1a09860a)