Tidying

src/freedombone-controlpanel

@@ -1275,10 +1275,7 @@ function set_dynamic_IP {
     esac
 
     if [ $revert_to_dynamic ]; then
-        remove_config_param "NETWORK_IS_STATIC"
-        if [ -f /etc/network/interfaces_original ]; then
-            cp /etc/network/interfaces_original /etc/network/interfaces
-        fi
+        wifi_original_network_settings
         clear
         echo ''
         echo $'Changing to a dynamic IP address.'