feat(calico): use vxlan instead of ipip

as serviceLB is not used and vxlan faster. this switch is required.

!17

templates/calico.yaml.j2

@@ -4781,13 +4781,13 @@ spec:
               value: "autodetect"
             # Enable IPIP
             - name: CALICO_IPV4POOL_IPIP
-              value: "Always"
+              value: "Never"
             # Enable or Disable VXLAN on the default IP pool.
             - name: CALICO_IPV4POOL_VXLAN
-              value: "Never"
+              value: "Always"
             # Enable or Disable VXLAN on the default IPv6 IP pool.
             - name: CALICO_IPV6POOL_VXLAN
-              value: "Never"
+              value: "Always"
             # Set MTU for tunnel device used if ipip is enabled
             - name: FELIX_IPINIPMTU
               valueFrom: