While Google does not index these pages because of robots.txt we can still delete the updates, here for user ‘josephmac’ :
- Open user’s stuff: http://community.igniterealtime.org/people/josephmac?view=overview
- Open Updates: http://community.igniterealtime.org/profile-status-list.jspa?view=wallentry&user name=josephmac
- Click on “Permalink” below of the update.
- Click “Delete update” on the right side.