How to remove a cabal package from the local system?

[Herbert Valerio Riedel]

On 2015-01-21 at 16:36:08 +0100, Volker Wysk wrote:
> I have installed/registered a new version of a package with cabal by accident. 
> How can I remove it again?

Not sure if this is what you want, but the `cab` tool has an `uninstall`
sub-command to unregister and remove installed packages.

 [1]: http://hackage.haskell.org/package/cab