remove flushing address from single_static_ctl

Change-Id: I02903c7f994f1ff5eef5156bac083d80fd8922fc
diff --git "a/\173\043 interfaces \043\175/single_static_ctl" "b/\173\043 interfaces \043\175/single_static_ctl"
index 825e4bb..ac1a923 100644
--- "a/\173\043 interfaces \043\175/single_static_ctl"
+++ "b/\173\043 interfaces \043\175/single_static_ctl"
@@ -13,7 +13,6 @@
                 name: {{ interface_name }}
                 proto: static
                 type: eth
-                ipflush_onchange: true
                 address: ${_param:_esc}{_param:single_address}
                 netmask: ${_param:_esc}{_param:control_network_netmask}
                 name_servers: