sm8450-common: Drop unused sytem NFC property

Change-Id: I65d9b27b51a4209c7cf2c088e8dc91f39060f304

properties/system.prop

@@ -7,9 +7,6 @@ persist.vendor.cne.feature=1
 # Media
 media.stagefright.thumbnail.prefer_hw_codecs=true
 
-# NFC
-ro.nfc.port=I2C
-
 # QTI
 ro.vendor.qti.va_aosp.support=1