Remove stable maintenance jobs from openstackclient
Remove stable maintenance jobs from openstackclient

OSC is capped in stable requirements, and we can't test OSC with
any new libraries that aren't in g-r as a result.

Change-Id: I655e5ad6965750c7083dc5030fd45368387b36be

open-switch/infra_project-config,noorul/os-project-config,noorul/os-project-config,dongwenjuan/project-config,Tesora/tesora-project-config,citrix-openstack/project-config,coolsvap/project-config,open-switch/infra_project-config,openstack-infra/project-config,anbangr/osci-project-config,Tesora/tesora-project-config,openstack-infra/project-config,citrix-openstack/project-config,dongwenjuan/project-config,coolsvap/project-config,anbangr/osci-project-config