scaffolding: removed dead links to Account Sessions and the smokeping latency monitor

Seems like overkill to put this into a pull request.

Anyway, the upper account dropdown box looks like this:
![wow](http://i.imgur.com/ndy1gK3.png)

The status page top-right corner looks like this: 
![ehh, could use some icons.](http://i.imgur.com/CoEep7H.png)

Provided you decide to remove the divider in the profile dropdown between "logout" and "profile", it will look like this:
![looks crammed?](http://i.imgur.com/x3Zip6H.png)

However, that's not included in this pull request.