chore: remove Python implementation and build config

Rust rewrite provides full feature parity. Python sources,
tests, pyproject.toml, and uv.lock are no longer needed.

CLAUDE.md

@@ -13,15 +13,12 @@ Lock, Logout, Hibernate, Reboot, Shutdown.
 - Rust (Edition 2024), gtk4-rs 0.11, glib 0.22
 - gtk4-layer-shell 0.8 für Wayland Layer Shell (OVERLAY Layer)
 - `cargo test` für Unit-Tests
-- Python-Quellen in `src/moonset/` als Referenz erhalten
 
 ## Projektstruktur
 
 - `src/` — Rust-Quellcode (main.rs, power.rs, i18n.rs, config.rs, users.rs, panel.rs)
 - `resources/` — GResource-Assets (style.css, wallpaper.jpg, default-avatar.svg)
 - `config/` — Beispiel-Konfigurationsdateien
-- `src/moonset/` — Python-Referenzimplementierung (v0.2.0)
-- `tests/` — Python-Tests (Referenz)
 
 ## Kommandos