Revert "[1/3] frameworks/base: Add NFC polling setting"

This reverts commit 1f4aebe670b8565c0283595eeec398a012ea11ef.
NFC polling mode (3/3)

Change-Id: I7dc77031675a964ae52d2def8d14254f217f8397

Conflicts:
	core/java/android/provider/Settings.java