To uninstall libeinspline-dev just follow these instructions.
sudo apt-get remove libeinspline-dev
This will remove just the libeinspline-dev package itself.
sudo apt-get remove --auto-remove libeinspline-dev
This will remove the libeinspline-dev package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for libeinspline-dev then this will work.
sudo apt-get purge libeinspline-dev
Or similarly, like this libeinspline-dev
sudo apt-get purge --auto-remove libeinspline-dev
|Maintainer||Debian Science Team <firstname.lastname@example.org>|
|Description||library for interpolating cubic basis splines (static library and doc)|