remove stats

..

 Changes to be committed:
	deleted:    res/xml/anonymous_stats.xml
	deleted:    res/xml/preview_data.xml
	deleted:    src/com/android/settings/aokpstats/AnonymousStats.java
	deleted:    src/com/android/settings/aokpstats/PreviewData.java
	deleted:    src/com/android/settings/aokpstats/ReportingService.java
deleted:    src/com/android/settings/aokpstats/ReportingServiceManager.java
	deleted:    src/com/android/settings/aokpstats/Utilities.java