Remove unused last_appointment field

stages/migrations/0028_remove_last_appointment.py

@@ -0,0 +1,20 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stages', '0027_migrate_exams'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='student',
+            name='last_appointment',
+        ),
+        migrations.AlterField(
+            model_name='examination',
+            name='type_exam',
+            field=models.CharField(choices=[('exam', 'Examen qualification'), ('entr', 'Entretien professionnel')], max_length=10, verbose_name='Type'),
+        ),
+    ]