To uninstall libcupt3-dev just follow these instructions.
sudo apt-get remove libcupt3-dev
This will remove just the libcupt3-dev package itself.
sudo apt-get remove --auto-remove libcupt3-dev
This will remove the libcupt3-dev package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for libcupt3-dev then this will work.
sudo apt-get purge libcupt3-dev
Or similarly, like this libcupt3-dev
sudo apt-get purge --auto-remove libcupt3-dev
|Maintainer||Cupt developers <email@example.com>|
|Description||flexible package manager -- development files|