chore: remover usings sem uso

Author: joaovictorjs

NFe.AppTeste/MainWindow.xaml.cs

@@ -42,7 +42,6 @@
 using System.Windows;
 using System.Windows.Forms;
 using System.Windows.Media.Imaging;
-using DFe.Classes.Entidades;
 using DFe.Classes.Flags;
 using DFe.Utils;
 using NFe.Classes;
@@ -72,7 +71,6 @@
 using NFe.Classes.Informacoes.Total.IbsCbs.Monofasica;
 using NFe.Classes.Informacoes.Transporte;
 using NFe.Classes.Servicos.ConsultaCadastro;
-using NFe.Classes.Servicos.Evento;
 using NFe.Classes.Servicos.Tipos;
 using NFe.Danfe.Nativo.NFCe;
 using NFe.Servicos;