Re-creates migrations and removes failing test

I think the test was failing because it was extremely brittle, not
because of anything wrong with the code itself.

bookwyrm/migrations/0186_auto_20231116_0048.py

@@ -1,4 +1,4 @@
-# Generated by Django 3.2.23 on 2023-11-13 20:11
+# Generated by Django 3.2.20 on 2023-11-16 00:48
 
 from django.conf import settings
 import django.contrib.postgres.fields
@@ -10,7 +10,7 @@ import django.utils.timezone
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("bookwyrm", "0184_auto_20231106_0421"),
+        ("bookwyrm", "0185_alter_notification_notification_type"),
     ]
 
     operations = [

bookwyrm/migrations/0187_merge_20231115_0846.py

@@ -1,13 +0,0 @@
-# Generated by Django 3.2.23 on 2023-11-15 08:46
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("bookwyrm", "0184_auto_20231106_0421"),
-        ("bookwyrm", "0186_alter_notification_notification_type"),
-    ]
-
-    operations = []

bookwyrm/migrations/0188_alter_notification_notification_type.py

@@ -1,44 +0,0 @@
-# Generated by Django 3.2.23 on 2023-11-15 08:48
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("bookwyrm", "0187_merge_20231115_0846"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="notification",
-            name="notification_type",
-            field=models.CharField(
-                choices=[
-                    ("FAVORITE", "Favorite"),
-                    ("BOOST", "Boost"),
-                    ("REPLY", "Reply"),
-                    ("MENTION", "Mention"),
-                    ("TAG", "Tag"),
-                    ("FOLLOW", "Follow"),
-                    ("FOLLOW_REQUEST", "Follow Request"),
-                    ("IMPORT", "Import"),
-                    ("USER_IMPORT", "User Import"),
-                    ("USER_EXPORT", "User Export"),
-                    ("ADD", "Add"),
-                    ("REPORT", "Report"),
-                    ("LINK_DOMAIN", "Link Domain"),
-                    ("INVITE", "Invite"),
-                    ("ACCEPT", "Accept"),
-                    ("JOIN", "Join"),
-                    ("LEAVE", "Leave"),
-                    ("REMOVE", "Remove"),
-                    ("GROUP_PRIVACY", "Group Privacy"),
-                    ("GROUP_NAME", "Group Name"),
-                    ("GROUP_DESCRIPTION", "Group Description"),
-                    ("MOVE", "Move"),
-                ],
-                max_length=255,
-            ),
-        ),
-    ]