When upgrading from Lucid to Maverick using the update manager, at one point it lists the packages that are no longer supported (i.e. f-spot). It does not say that it's going to uninstall them. After the upgrade is complete, they are still there. How can I get rid of them?
In most cases you don't particularly have to remove those packages. That notice only means that those packages are no longer in Ubuntu's main component, and have been demoted to Universe (see this page for more information on components), which means that support for them is still available from the Ubuntu community.
If you still want to remove them, you can find out which packages they were by looking at the upgrade log (/var/log/dist-upgrade/main.log) in which you'll find a line that begins with "demoted:" containing a list of the packages demoted.
If you want to remove packages that are absolutely unused,