remove subscription

Main/migrations/0040_delete_subscription.py

@@ -0,0 +1,16 @@
+# Generated by Django 3.2.4 on 2022-10-20 17:42
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('Main', '0039_auto_20221013_1855'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='Subscription',
+        ),
+    ]

Main/models/__init__.py

@@ -2,7 +2,6 @@ from Main.models.userinfo import UserInfo
 from Main.models.group import Group
 from Main.models.task import Task
 from Main.models.set import Set
-from Main.models.subscription import Subscription
 from Main.models.settask import SetTask
 from Main.models.solution import Solution
 from Main.models.extrafile import ExtraFile

Main/models/subscription.py

@@ -1,12 +0,0 @@
-from django.db import models
-from django.contrib.auth.models import User
-
-from Main.models.group import Group
-
-
-class Subscription(models.Model):
-    group = models.ForeignKey(
-        Group, on_delete=models.CASCADE, related_name="subscriptions"
-    )
-    user = models.ForeignKey(User, on_delete=models.CASCADE)
-    role = models.IntegerField()