[gnome-chess] Stop creating legacy 22x22 icon directory

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c1cc98cd830d4aa4e11ea68520b0e5f92e429df7
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Mar 11 11:27:21 2018 -0500

    Stop creating legacy 22x22 icon directory
    
    This icon was removed in 3.28.
    
    https://developer.gnome.org/hig/stable/icons-and-artwork.html.en
    
    https://bugzilla.gnome.org/show_bug.cgi?id=794240

 data/icons/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/icons/meson.build b/data/icons/meson.build
index 8838915..2f8c6c7 100644
--- a/data/icons/meson.build
+++ b/data/icons/meson.build
@@ -1,6 +1,6 @@
 # The app icon, in different sizes
 iconsdir = join_paths(datadir, 'icons', 'hicolor')
-foreach size: ['16x16', '22x22', '24x24', '32x32', '48x48', '256x256', '512x512', 'scalable']
+foreach size: ['16x16', '24x24', '32x32', '48x48', '256x256', '512x512', 'scalable']
   install_subdir('hicolor/' + size,
     install_dir: iconsdir
   )