To uninstall tgn just follow these instructions.
/debian/wheezy/main///install/index.html A command-line based network traffic generator Debian 7.0 net 0.20-3
sudo apt-get remove tgn
Which will remove just the tgn package itself.
sudo apt-get remove --auto-remove tgn
This will remove the tgn package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for tgn then this will work.
sudo apt-get purge tgn
Or similarly, like this tgn
sudo apt-get purge --auto-remove tgn
|Description||A command-line based network traffic generator|