To uninstall emacs-window-layout just follow these instructions.
/debian/stretch/main///install/index.html window layout manager for emacs Debian 9.0 lisp 1.3+git20150717-2
sudo apt-get remove emacs-window-layout
Which will remove just the emacs-window-layout package itself.
sudo apt-get remove --auto-remove emacs-window-layout
This will remove the emacs-window-layout package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for emacs-window-layout then this will work.
sudo apt-get purge emacs-window-layout
Or similarly, like this emacs-window-layout
sudo apt-get purge --auto-remove emacs-window-layout
|Maintainer||KURASHIKI Satoru |
|Description||window layout manager for emacs|