ajustes para editar e deletar dados do mariadb

lib/screens/login_screen.dart

@@ -64,7 +64,7 @@ class _LoginScreenState extends State<LoginScreen> {
         // print(MainControllers().encrypt(inputSenha.text,map['SENHA']));
         if(MainControllers().encrypt(inputSenha.text,map['SENHA']) == map['SENHA']){
           showSnackBar(context, 'Acesso validado', Colors.green);
-          Navigator.push(
+          Navigator.pushReplacement(
             context,
             MaterialPageRoute(builder: (context) => HomeScreen()),
           );
@@ -79,20 +79,6 @@ class _LoginScreenState extends State<LoginScreen> {
     });
   }
 
-  paisBanco()async{
-    final url = 'http://localhost:8000/pais';
-    // print(url);
-    final response = await http.get(Uri.parse(url));
-    var map = json.decode(response.body);
-    print(map);
-  }
-
-  @override
-  void initState() {
-    super.initState();
-    paisBanco();
-  }
-
   @override
   Widget build(BuildContext context) {
     double height = MediaQuery.of(context).size.height;