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