Patch to remove Kluwer from Additional.lyx

[Jürgen Spitzmüller]

Am Dienstag, dem 06.12.2022 um 22:30 +0100 schrieb Pavel Sanda:
> We can safely remove the template. But what should we do with
> abandoned layouts? If I just remove it, old lyx documents might
> get into trouble. Should we keep all layouts in the tree forever?

Please keep the layout. Removing it will break existing documents. And
it really does not hurt anybody if we continue to ship it. 

-- 
Jürgen