chore(ACI): Drop deprecated columns (#84179)

Follow up to https://github.com/getsentry/sentry/pull/84116 to drop the
`required` column on the `Action` model and the `organization` column on
the `Detector` model.

migrations_lockfile.txt

@@ -23,4 +23,4 @@ tempest: 0001_create_tempest_credentials_model
 
 uptime: 0024_add_status_to_project_uptime_subscription
 
-workflow_engine: 0026_rm_org_detector_req_action_cols
+workflow_engine: 0027_drop_org_detector_req_action

src/sentry/workflow_engine/migrations/0027_drop_org_detector_req_action.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.1.5 on 2025-01-28 17:33
+
+from sentry.new_migrations.migrations import CheckedMigration
+from sentry.new_migrations.monkey.fields import SafeRemoveField
+from sentry.new_migrations.monkey.state import DeletionAction
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = False
+
+    dependencies = [
+        ("workflow_engine", "0026_rm_org_detector_req_action_cols"),
+    ]
+
+    operations = [
+        SafeRemoveField(
+            model_name="action",
+            name="required",
+            deletion_action=DeletionAction.DELETE,
+        ),
+        SafeRemoveField(
+            model_name="detector",
+            name="organization",
+            deletion_action=DeletionAction.DELETE,
+        ),
+    ]