Correct doc about os-collect-config metadata polling
Correct doc about os-collect-config metadata polling

Now the agent os-collect-config polls metadata from some
transports not only from heat service.

Change-Id: Ie77e8c822cdb73a1970a1f061ddd105c033f09f3

cwolferh/heat-scratch,cwolferh/heat-scratch,openstack/heat,noironetworks/heat,openstack/heat,noironetworks/heat