Revert "Settings: Add Updater and Changelog"

This reverts commit d937fd31318c8e213f999288eaed3af0bd29d01a.

Conflicts:
	res/values/strings.xml
	res/xml/device_info_settings.xml
	src/com/android/settings/DeviceInfoSettings.java
	src/com/android/settings/cyanogenmod/ChangeLog.java

Change-Id: Ic5a22fc09eeedab0a8258e5ea300e22fd86989a0