Remove obsolete ENABLE_TREBLE references.

ENABLE_TREBLE compiler flags are no longer used. They have been replaced
with use of the VINTF object.

Bug: 32978887
Test: pass
Change-Id: Idb1bfdfcc3b197b1fa89a7a2336fbb3cc5e6bada
diff --git a/device.mk b/device.mk
index f54ec75..5f0ee44 100644
--- a/device.mk
+++ b/device.mk
@@ -297,11 +297,6 @@
     Tag \
     android.hardware.nfc@1.0-impl
 
-ifeq ($(ENABLE_TREBLE), true)
-PRODUCT_PACKAGES += \
-    android.hardware.nfc@1.0-service
-endif
-
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.nfc.xml:system/etc/permissions/android.hardware.nfc.xml \
     frameworks/native/data/etc/android.hardware.nfc.hce.xml:system/etc/permissions/android.hardware.nfc.hce.xml \