[ANSIBLE] Drop pndareg.ctao6.net repository simulation

Pnda charts were already removed from OOM

Change-Id: I0c319b61271b45c642a77b1ea45e32a362cb262a
Issue-ID: DCAEGEN2-2503
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/ansible/group_vars/infrastructure.yml b/ansible/group_vars/infrastructure.yml
index 390770b..8231604 100755
--- a/ansible/group_vars/infrastructure.yml
+++ b/ansible/group_vars/infrastructure.yml
@@ -11,7 +11,6 @@
     - k8s.gcr.io
     - nexus.{{ ansible_nodename }}
     - nexus3.onap.org
-    - pndareg.ctao6.net
     - quay.io
     - registry-1.docker.io
     - registry.hub.docker.com