Delete broken migration

Manual SQL time whee

RIGS/migrations/0045_legacy_supervisors.py

@@ -1,25 +0,0 @@
-# Generated by Django 3.2.11 on 2022-01-09 15:00
-
-from django.db import migrations
-
-from training.models import TrainingLevel
-
-def find_existing_supervisors(apps, schema_editor):
-    Profile = apps.get_model('RIGS', 'Profile')
-    for person in Profile.objects.all():
-        if person.level_qualifications.exclude(confirmed_on=None).select_related('level') \
-                .filter(level__level__gte=TrainingLevel.SUPERVISOR) \
-                .exclude(level__department=TrainingLevel.HAULAGE) \
-                .exclude(level__department__isnull=True).exists():
-            person.is_supervisor = True
-            person.save()
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('RIGS', '0044_profile_is_supervisor'),
-    ]
-
-    operations = [
-        migrations.RunPython(find_existing_supervisors, migrations.RunPython.noop)
-    ]