Resolve "Add option to configure extra marks for personal notes"

Closes #85 (closed)

aleksis/apps/alsijil/migrations/0004_delete_personal_notes_filter.py

+# Generated by Django 3.0.8 on 2020-07-18 15:23
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("alsijil", "0003_extra_mark"),
+    ]
+
+    operations = [
+        migrations.DeleteModel(name="PersonalNoteFilter",),
+    ]