Delete coredns and kube dns vars

Those vars is pinned in formula,
so on context level they are not neccessery

Change-Id: Ibab9b82cebb1d7487f583910046a7259afadbcde
diff --git a/tcp_tests/templates/cookied-cicd-k8s-calico-sl/cookiecutter-context-k8s-sl.yaml b/tcp_tests/templates/cookied-cicd-k8s-calico-sl/cookiecutter-context-k8s-sl.yaml
index bf26588..0414b30 100644
--- a/tcp_tests/templates/cookied-cicd-k8s-calico-sl/cookiecutter-context-k8s-sl.yaml
+++ b/tcp_tests/templates/cookied-cicd-k8s-calico-sl/cookiecutter-context-k8s-sl.yaml
@@ -191,4 +191,4 @@
   tenant_vlan: '20'
   upstream_proxy_enabled: 'False'
   use_default_network_scheme: 'False'
-  vnf_onboarding_enabled: 'False'
+  vnf_onboarding_enabled: 'False'
\ No newline at end of file