remove settings. everything should be configured via the .env file.

comic/migrations/0021_delete_setting.py

@@ -0,0 +1,16 @@
+# Generated by Django 3.2 on 2021-04-21 07:56
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('comic', '0020_alter_directory_options'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='Setting',
+        ),
+    ]