Clean-up intiail commit for Host filter / DynamicInventory

awx/main/migrations/0038_v320_release.py

@@ -36,6 +36,11 @@ class Migration(migrations.Migration):
             name='inventory',
             field=models.ForeignKey(related_name='inventory_sources', default=None, to='main.Inventory', null=True),
         ),
+        migrations.AddField(
+            model_name='inventory',
+            name='host_filter',
+            field=awx.main.fields.DynamicFilterField(default=None, help_text='Filter that will be applied to the hosts of this inventory.', null=True, blank=True),
+        ),
 
         # Facts
         migrations.AlterField(