[aisleriot] cards: Remove theme

[Christian Persch <chpe src gnome org>]

commit 7902754f97ceda304fa615bacf3c9a74c13b716c
Author: Christian Persch <chpe src gnome org>
Date:   Mon Jun 20 18:43:09 2022 +0200

    cards: Remove theme
    
    See https://gitlab.gnome.org/GNOME/aisleriot/-/issues/929#note_1482601

 cards/berlin.svg  | 926 ------------------------------------------------------
 cards/meson.build |   1 -
 2 files changed, 927 deletions(-)
---
diff --git a/cards/meson.build b/cards/meson.build
index bf5c01d6..e67bae69 100644
--- a/cards/meson.build
+++ b/cards/meson.build
@@ -35,7 +35,6 @@ cards_sources = [
   'atlasnye.svg',
   'atlasnye_skat.svg',
   'bellot.svg',
-  'berlin.svg',
   'bonded.svg',
   'dondorf.svg',
   'gnomangelo.svg',