To uninstall squeak-sources3.9 just follow these instructions.
/ubuntu/wily/main///install/index.html The Squeak Smalltalk System (sources file) Ubuntu 15.10 multiverse/devel 3.9-0ubuntu1
sudo apt-get remove squeak-sources3.9
Which will remove just the squeak-sources3.9 package itself.
sudo apt-get remove --auto-remove squeak-sources3.9
This will remove the squeak-sources3.9 package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for squeak-sources3.9 then this will work.
sudo apt-get purge squeak-sources3.9
Or similarly, like this squeak-sources3.9
sudo apt-get purge --auto-remove squeak-sources3.9
Package | squeak-sources3.9 |
Version | 3.9-0ubuntu1 |
Maintainer | Ubuntu MOTU Developers |
Description | The Squeak Smalltalk System (sources file) |
Distro | ubuntu |
Release | wily |
Repo | main |
Section | multiverse/devel |