Remove Docky icon from docky

• Press ALT + F2
• Type command “gconf-editor" and hit enter/return
• Navigate to "apps/docky-2/docky/items/DockyItem" in the gconf-editor
• Uncheck "ShowDockyItem"
• Restart Docky

Terminal way

If you're lazy and want to do this via the terminal you can do so using the following commands.

this command will turn the icon off:

• gconftool-2 --type Boolean --set /apps/docky-2/Docky/Items/DockyItem/ShowDockyItem False

this will turn it back on:

• gconftool-2 --type Boolean --set /apps/docky-2/Docky/Items/DockyItem/ShowDockyItem True

Remember that you will need to restart Docky to see the changes.