[COST-3394] Migration to clean up old column for cost category. (#4821)

koku/reporting/migrations/0316_remove_openshiftcostcategory_namespace.py

@@ -0,0 +1,16 @@
+# Generated by Django 3.2.22 on 2023-12-04 20:26
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("reporting", "0315_openshiftcostcategorynamespace"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="openshiftcostcategory",
+            name="namespace",
+        ),
+    ]

koku/reporting/provider/ocp/models.py

@@ -295,7 +295,6 @@ class Meta:
     description = models.TextField()
     source_type = models.TextField()
     system_default = models.BooleanField(null=False, default=False)
-    namespace = ArrayField(models.TextField())
     label = ArrayField(models.TextField())