[ubuntu] Disable extra mouse buttons.

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http://ubuntuforums.org – My system is fine but I wanted to refine the ease of use. Google chrome has a nice feature in Ubuntu that you can switch tabs by mouse scrolling while your mouse is in the tab-bar. And a nice feature that you can middle click close tabs in the tab-bar. But the problem arises that my mouse has a side scroll if you tilt the scroll wheel that would change the tabs as I middle click. My mouse is the Logitech MX Performance. and I am running Ubuntu 12.04 64 bit. I was wondering if this could be accomplished by an option in xorg.conf or if I have to chose a driver that doesn't auto map and manu (Hardware)