chore(front): supprimer le préremplissage et les données aléatoires à l’inscription

- Parcours AM : plus de jeu de test Marie DUBOIS ni photo factice
- Parcours parent : plus de DataGenerator ; enfants vides à l’ajout
- Suppression de data_generator.dart (inutilisé)

Made-with: Cursor

frontend/lib/screens/auth/parent_register_step3_screen.dart

@@ -7,7 +7,6 @@ import '../../widgets/hover_relief_widget.dart';
 import '../../widgets/child_card_widget.dart';
 import '../../widgets/custom_navigation_button.dart';
 import '../../models/user_registration_data.dart';
-import '../../utils/data_generator.dart';
 import '../../models/card_assets.dart';
 import '../../config/display_config.dart';
 import 'package:provider/provider.dart';
@@ -92,8 +91,6 @@ class _ParentRegisterStep3ScreenState extends State<ParentRegisterStep3Screen> {
 
   void _addChild(UserRegistrationData registrationData) { // Prend registrationData
     setState(() {
-      bool isUnborn = DataGenerator.boolean();
-      
       // Trouver la première couleur non utilisée
       CardColorVertical cardColor = _childCardColors.firstWhere(
         (color) => !_usedColors.contains(color),
@@ -102,11 +99,11 @@ class _ParentRegisterStep3ScreenState extends State<ParentRegisterStep3Screen> {
       
       final newChild = ChildData(
         lastName: registrationData.parent1.lastName,
-        firstName: DataGenerator.firstName(),
-        dob: DataGenerator.dob(isUnborn: isUnborn),
-        isUnbornChild: isUnborn,
-        photoConsent: DataGenerator.boolean(),
-        multipleBirth: DataGenerator.boolean(),
+        firstName: '',
+        dob: '',
+        isUnbornChild: false,
+        photoConsent: false,
+        multipleBirth: false,
         cardColor: cardColor,
       );
       registrationData.addChild(newChild);
@@ -317,7 +314,7 @@ class _ParentRegisterStep3ScreenState extends State<ParentRegisterStep3Screen> {
                     onToggleIsUnborn: (newValue) {
                       final oldChild = registrationData.children[index];
                       registrationData.updateChild(index, ChildData(
-                        firstName: oldChild.firstName, lastName: oldChild.lastName, dob: DataGenerator.dob(isUnborn: newValue),
+                        firstName: oldChild.firstName, lastName: oldChild.lastName, dob: oldChild.dob,
                         photoConsent: oldChild.photoConsent, multipleBirth: oldChild.multipleBirth, isUnbornChild: newValue,
                         imageFile: oldChild.imageFile, cardColor: oldChild.cardColor
                       ));
@@ -423,7 +420,7 @@ class _ParentRegisterStep3ScreenState extends State<ParentRegisterStep3Screen> {
                                   onToggleIsUnborn: (newValue) {
                                      final oldChild = registrationData.children[index];
                                      registrationData.updateChild(index, ChildData(
-                                        firstName: oldChild.firstName, lastName: oldChild.lastName, dob: DataGenerator.dob(isUnborn: newValue),
+                                        firstName: oldChild.firstName, lastName: oldChild.lastName, dob: oldChild.dob,
                                         photoConsent: oldChild.photoConsent, multipleBirth: oldChild.multipleBirth, isUnbornChild: newValue, 
                                         imageFile: oldChild.imageFile, cardColor: oldChild.cardColor
                                      ));