Deprecate ironic-lib

Ironic-lib has been deprecated, code moved into Ironic and
Ironic-Python-Agent where appropriate.

Change-Id: Ib4829992484700166cda5a3eb33c4c8dee61d2cc

Author: jayofdoom

projects.txt

@@ -40,7 +40,6 @@ openstack/horizon
 openstack/i18n
 openstack/ironic
 openstack/ironic-inspector
-openstack/ironic-lib
 openstack/ironic-python-agent
 openstack/ironic-tempest-plugin
 openstack/ironic-ui