Avoid storing configuration in notifier
Avoid storing configuration in notifier

The notifier itself doesn't use the configuration. So let's not store
it, that lights the dependency a bit on this configuration object.

Blueprint: messaging-decouple-cfg

Change-Id: Ic4b5ddd93ea0382bd8292f9e31b7dacba9b489d3

hkumarmk/oslo.messaging,dukhlov/oslo.messaging,apporc/oslo.messaging,ozamiatin/oslo.messaging,hkumarmk/oslo.messaging,dims/oslo.messaging,eayunstack/oslo.messaging,magic0704/oslo.messaging,viggates/oslo.messaging,isyippee/oslo.messaging,apporc/oslo.messaging,JioCloud/oslo.messaging,dims/oslo.messaging,magic0704/oslo.messaging,stevei101/oslo.messaging,zhurongze/oslo.messaging,redhat-openstack/oslo.messaging,dukhlov/oslo.messaging,isyippee/oslo.messaging,ozamiatin/oslo.messaging,zhurongze/oslo.messaging,stevei101/oslo.messaging,redhat-openstack/oslo.messaging