Remove uses of logger name "oslo_messaging"
Remove uses of logger name "oslo_messaging"

The old olso namespace package logger config should not be used as
stated by [1], this patch removes the redundant one.

[1] https://github.com/openstack/oslo.log/blob/master/oslo_log/log.py#L466

Change-Id: I58401867cfe34b1becd438702888e3875602b38d

openstack/ironic,openstack/ironic