Revert "Settings: Add bridge to PerformanceControl"

This reverts commit a02153f9b77875e6f4ba334342bf64a1762fbf7c.

Conflicts:

	Android.mk
	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/mahdi_strings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/Settings.java