Revert "Adding in CUSTOM_NOTIFICATION to contacts so that notification sounds can be assigned on a per contact basis rather than system wide."

This reverts commit 59c3d51b6a5240c705a495d7f1cb95135b961b1e.
Revert "Facebook Sync Dirty Hack"

This reverts commit e57be86be9b844a4427f3c0ecaf286a6d659295f.