[Users] No spell checker anymore

[Ralf Mardorf]

On Sat, 3 Feb 2018 12:40:02 +0100, Rene Maurer wrote:
>Ralf, thank you very much for pointing this out!

You are welcome! Btw. I don't know why the AUR maintainer just bumped
the git release, without applying a patch. He seemingly didn't
understand my comment and my comment why I flagged it out of date.
Since I'm short in time, spell checking still is broken for my Arch
Linux claws-mail-git build.