Move public-net.yaml to common directory

Change-Id: I4b62d08884f3baeea17151f973b3299ecc438ade
diff --git a/cord-pod/cleanup.sh b/cord-pod/cleanup.sh
index 6e6970c..9551cf2 100755
--- a/cord-pod/cleanup.sh
+++ b/cord-pod/cleanup.sh
@@ -49,4 +49,4 @@
 neutron net-delete management || true
 neutron net-delete management_hosts || true
 neutron net-delete mysite_vsg-access || true
-neutron net-delete exampleservice-public || true
+neutron net-delete public || true