Also take osic-cloud8 offline
Also take osic-cloud8 offline

Because osic-cloud8 uses the osic-cloud1 mirror it has also been
affected by the intermittent network issues. Take it offline until
they are resolved.

Change-Id: I5b80d6214c23326b1105f285143b92c363075fd7

Tesora/tesora-project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config