Instructions
Turn Off Vibration in PS3
Pause the game and press the "PS" button on your controller.
Navigate to "Controller Settings" from the menu that pops up.
Highlight "Vibration" and change the setting to "Off." You can also switch vibration back on through this method.
Turn Off Vibration in Xbox 360
Press the silver button on the controller.
Select "Personal Settings" and click "A."
Highlight "Vibration" and press "A."
Turn vibration off by pressing "A." If you decide you want to turn vibration back on, press "A" again.