Remove GNOME dependencies and make more desktop-neutral - cleaned

- Remove gsettings-desktop-schemas dependency (GNOME-specific)
- Replace gnome.post_install() with manual gtk4-update-icon-cache
- Remove GNOME import from meson.build
- Make autostart desktop file desktop-neutral (remove GSettings condition)
- Add accessibility categories and keywords to desktop file

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

distro-packages/Arch-Linux/PKGBUILD

@@ -37,7 +37,6 @@ depends=(
   python-pyautogui
   
   # Desktop integration
-  gsettings-desktop-schemas
   hicolor-icon-theme
   libwnck3
   pango