Download the deb file from:
http://my-meego.com/downloads/search.php?name=GConfik

open the app and do the following:

- open desktop
- open meego
- open status_menu
- open widgets
- open the widget you want to hide (ex powersave)
- open bool working
- change value slider to 'off'
- open 3 stripes icon (right bottom and press SET)

Do the same for all the rest of the widgets you want to hide.

Reboot or refresh sysuid (/sbin/initctl restart xsession/sysuid as root)