Code review comment for lp:~michihenning/unity-scopes-api/scope-cache-dir

> IMPORTANT: I think this is understood, the confined process will be able to
> create the '<scope id>' subdirectory (eg, $HOME/.local/share/unity-scopes
> /leaf-net/<scope_id>), so the scoperunner/API can do that.

This actually wasn't clear, if that's the case, I think the scope itself should just try to create / open the dir and use that, then we don't need a new config item that would just be deprecated as soon as possible. (and scoperegistry can just create the parent dirs unconditionally)