Revert "Performance Settings!!!!!!!!"

This reverts commit ace03e94eb639f7691cf69be3c39e2c768b37166.

Conflicts:
	AndroidManifest.xml
	res/drawable-hdpi/ic_settings_performance.png
	res/drawable-mdpi/ic_settings_performance.png
	res/drawable-xhdpi/ic_settings_performance.png
	res/values/custom_arrays.xml
	res/values/custom_strings.xml
	res/xml/performance_settings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/performance/PerformanceSettings.java
	src/com/android/settings/performance/VoltageControlSettings.java
Move some settings around