Tidying

src/freedombone-utils-network

     echo "curr_ip=\$(nslookup . $EXTERNAL_IP_LOOKUP_URL | grep Address | tail -n 1 | awk -F ' ' '{print \$2}')" >> $ip_update_script
     echo 'if [[ "$curr_ip" != "$existing_ip" ]]; then' >> $ip_update_script
     echo "  sed -i \"s|EXTERNAL_IPV4_ADDRESS=.*|EXTERNAL_IPV4_ADDRESS=\${curr_ip}|g\" $CONFIGURATION_FILE" >> $ip_update_script
-    echo '  iptables-save > /etc/firewall.conf' >> $ip_update_script
     echo "  echo \"\$(date)\" >> ~/${PROJECT_NAME}-external-ip-changes.txt" >> $ip_update_script
     echo 'fi' >> $ip_update_script