Each app carried a CFG_<APP>_HEADSCALE option that, on install or restore,
downloaded Tailscale into that app's third-party container and joined it to a
Headscale server. It was unfinished, prompted interactively and wouldn't
survive an image update. It is gone: the install and restore steps, the
Headscale menu, the per-app config field, the remote-host settings page and
the scripts behind them. The Headscale app itself stays as a standalone app.
Existing CFG_<APP>_HEADSCALE and CFG_HEADSCALE_HOST/KEY values are left where
they are and ignored, and the retired settings page drops out of the config
editor on existing installs.
Assisted-by: Claude Opus 5 <noreply@anthropic.com>