chore: eliminar tarjeta de agregar direcciones en la pantalla de inicio

lib/features/auth/presentation/screens/home_screen_placeholder.dart

@@ -262,21 +262,6 @@ class _HomeScreenPlaceholderState extends State<HomeScreenPlaceholder> {
             ),
             const SizedBox(height: 16),
 
-            Card(
-              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
-              child: ListTile(
-                leading: const CircleAvatar(
-                  backgroundColor: Color(0xFFE8F5E9),
-                  child: Icon(Icons.add_location_alt, color: Color(0xFF2E7D32)),
-                ),
-                title: const Text('Agregar direcciones'),
-                subtitle: const Text('Abre el panel para registrar tus domicilios y vincularlos a tu colonia.'),
-                trailing: const Icon(Icons.chevron_right),
-                onTap: () => context.go(AppRoutes.addresses),
-              ),
-            ),
-            const SizedBox(height: 16),
-
             // --- 2. RELOJ DE TIEMPO ESTIMADO INTERACTIVO ---
             Card(
               color: Colors.white,