feat: more changes to templating (#1218)

* feat: clean up more jinja default references

Signed-off-by: Devin Buhl <devin@buhl.casa>

* feat: add additional tls sans force kube-vip on k3s

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/partials/cilium-values-init.partial.yaml.j2

@@ -20,7 +20,7 @@ hubble:
 ipam:
   mode: kubernetes
 ipv4NativeRoutingCIDR: "#{ bootstrap_cluster_cidr }#"
-#% if bootstrap_ipv6_enabled|default(false) %#
+#% if bootstrap_ipv6_enabled %#
 ipv6NativeRoutingCIDR: "#{ bootstrap_cluster_cidr_v6 }#"
 ipv6:
   enabled: true
@@ -38,7 +38,7 @@ k8sServicePort: 7445
 kubeProxyReplacement: true
 kubeProxyReplacementHealthzBindAddr: 0.0.0.0:10256
 l2announcements:
-  #% if bootstrap_ipv6_enabled|default(false) %#
+  #% if bootstrap_ipv6_enabled %#
   enabled: false
   #% else %#
   enabled: true