Remove extra parameters from actions document
Remove extra parameters from actions document

Removing the 'created_at' and 'updated_at' parameters from the
filters options in the document for listing actions.

Change-Id: Iba5ae684f3792252f32ed4dcca6b71976430f020
Closes-Bug: #1549419

openstack/senlin,openstack/senlin,tengqm/senlin-container,stackforge/senlin,tengqm/senlin-container,stackforge/senlin,openstack/senlin