Revert "UIModes and system DPI"

This reverts commit 69ff36e5b1209c6062542592ddfa1057e2c75901.

Conflicts:

	res/values/arrays.xml
	res/values/strings.xml
	res/xml/dpi_settings.xml
	src/com/android/settings/beerbong/Applications.java
	src/com/android/settings/beerbong/DpiPreferences.java
	src/com/android/settings/beerbong/HybridSettings.java