Stop running gate-tempest-dsvm-neutron-src-python-keystoneclient-juno
Stop running gate-tempest-dsvm-neutron-src-python-keystoneclient-juno

These 2 jobs were running on python-keystoneclient for all branches:

- gate-tempest-dsvm-neutron-src-python-keystoneclient
- gate-tempest-dsvm-neutron-src-python-keystoneclient-juno

Since python-keystoneclient has a stable/juno branch now, there's no
need for gate-tempest-dsvm-neutron-src-python-keystoneclient-juno.

Change-Id: I8bee549cf9119672680d36af3dff45f16537ba91

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