This instructional video demonstrates how to  Remove & Reset Launchers in Kiba dock

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Video 5 - Customize Your Ubuntu Experience

Folders in this location "~/.gconf/apps/kiba/launchers" contain icons for "dock".

To remove an icon:
Applications > Accessories > Terminal then type the following:

To remove all icons:
Double click un-populate-dock.sh & click run in terminal

You can edit settings using the gconf tool by pressing alt+F2 then typing the following:

The original settings are below incase you forget to make a backup. ;)