refactor(projects): remove project membership access model

apps/projects/migrations/0002_remove_projectmembership.py

@@ -0,0 +1,13 @@
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("projects", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name="ProjectMembership",
+        ),
+    ]