Merge pull request #2494 from ryanpetrello/drop-old-celery-tables

drop old celery/djcelery tables we no longer need

Reviewed-by: Ryan Petrello
             https://github.com/ryanpetrello

awx/main/migrations/0050_v340_drop_celery_tables.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0049_v330_validate_instance_capacity_adjustment'),
+    ]
+
+    operations = [
+        migrations.RunSQL([
+            ("DROP TABLE IF EXISTS {} CASCADE;".format(table))
+        ])
+        for table in ('celery_taskmeta', 'celery_tasksetmeta', 'djcelery_crontabschedule',
+                      'djcelery_intervalschedule', 'djcelery_periodictask',
+                      'djcelery_periodictasks', 'djcelery_taskstate', 'djcelery_workerstate',
+                      'djkombu_message', 'djkombu_queue')
+    ]