since the addon maanger list of user scripts isn't refilled when a user switches to the 'user scripts' tab, and is only filled once, we no longer need to stop the config observer when the 'user scripts' tab is not selected.
since the addon maanger list of user scripts isn't refilled when a user switches to the 'user scripts' tab, and is only filled once, we no longer need to stop the config observer when the 'user scripts' tab is not selected.

the8472/greasemonkey,HasClass0/greasemonkey,Martii/greasemonkey,Ventero/greasemonkey,HasClass0/greasemonkey,Ventero/greasemonkey,the8472/greasemonkey,Martii/greasemonkey