Settings: Remove all system update settings for google OTA

not needed and confuses the user

Change-Id: I49abf0e6418c7b51aba6d3172c39f209d288382e
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>

Conflicts:
	res/xml/device_info_settings.xml
	src/com/android/settings/DeviceInfoSettings.java

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>