Removes stored Facebook records created by Xamarin.Social

Social.cs

public static void ClearFacebookRecords()
{
    var records = Social.FacebookRecords;
    for (var i = 0; i < records.Length; i++)
    {
        var delQuery = new SecRecord(SecKind.GenericPassword);
        delQuery.Service = "Facebook";
        delQuery.Account = records[i].Account;

        Console.WriteLine("Removing stored Facebook account: " + records[i].Account);
        var statusCode = SecKeyChain.Remove(delQuery);
        if (statusCode != SecStatusCode.Success)
            Console.WriteLine("unable to remove keychain record for " + records[i].Account);
    }
}

public static SecRecord[] FacebookRecords
{
    get
    {
        var query = new SecRecord(SecKind.GenericPassword)
        {
            Service = "Facebook"
        };
        SecStatusCode result;
        var results =  SecKeyChain.QueryAsRecord(query, 1000, out result);
        return results ?? new SecRecord[0];
    }
}