Simplify backup menu and remove last backup

services/backup.py

@@ -1,7 +1,6 @@
 from datetime import datetime, timezone
 from typing import Optional
 import json
-import subprocess
 from services.runner import run_cmd
 
 
@@ -33,23 +32,6 @@ async def get_last_snapshot() -> Optional[dict]:
     return snaps[0]
 
 
-def last_backup() -> str:
-    out = subprocess.check_output(
-        ["restic", "snapshots", "--json"],
-        env=None
-    ).decode()
-    snaps = json.loads(out)
-    snaps.sort(key=lambda s: s["time"], reverse=True)
-    s = snaps[0]
-    t = datetime.fromisoformat(s["time"].replace("Z", ""))
-    return (
-        "📦 Last backup\n\n"
-        f"🕒 {t:%Y-%m-%d %H:%M}\n"
-        f"🧉 ID: {s['short_id']}\n"
-        f"📁 Paths: {len(s['paths'])}"
-    )
-
-
 def restore_help() -> str:
     return (
         "🧯 Restore help\n\n"