build: Remove schema generation

We do not have any GSettings schemas.

build-aux/meson_post_install.py

@@ -5,12 +5,8 @@ import os
 import subprocess
 
 install_prefix = os.environ['MESON_INSTALL_PREFIX']
-schemadir = os.path.join(install_prefix, 'share', 'glib-2.0', 'schemas')
 
 if not os.environ.get('DESTDIR'):
-    print('Compiling gsettings schemas…')
-    subprocess.call(['glib-compile-schemas', schemadir])
-
     print('Updating icon cache…')
     icon_cache_dir = os.path.join(install_prefix, 'share', 'icons', 'hicolor')
     subprocess.call(['gtk-update-icon-cache', '-qtf', icon_cache_dir])