import networking-cisco jobs into net-cisco tree
import networking-cisco jobs into net-cisco tree

This patch removes the networking-cisco jobs according to the
python3-first community goal. They will now be maintained in the
networking-cisco tree.

Change-Id: Iaaf4b36a13bcbfcb9f75a3fedda8667e7527356f
Depends-On: https://review.openstack.org/581063

openstack-infra/project-config,openstack-infra/project-config