sbx: drop undocumented storage-override env vars from audit logging

SANDBOXES_STORAGE_ROOT and DOCKER_SANDBOXES_APP_NAME are undocumented
internals and out of scope for the audit logging page. Remove the
override section; it can be documented separately in a follow-up if
needed.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: dvdksn

content/manuals/ai/sandboxes/governance/audit.md

@@ -112,18 +112,3 @@ sealed `.jsonl` files only. Tools such as the Splunk Universal Forwarder,
 Filebeat, and CrowdStrike Falcon LogScale read the directory and forward each
 line as an event. Because in-progress records live in `.tmp` files until they
 are sealed, collectors never see partial records.
-
-## Override the storage location
-
-Two environment variables change where records are written. Set them on the
-daemon process, not the CLI.
-
-| Variable                             | Effect                                                                                                                                          |
-| ------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------- |
-| `SANDBOXES_STORAGE_ROOT=<dir>`       | Override the base storage directory. Audit records move under `<dir>/logs/`, keeping the same platform-specific namespace as the default paths. |
-| `DOCKER_SANDBOXES_APP_NAME=<suffix>` | Append a suffix to the app name (`sandboxes` becomes `sandboxes-<suffix>`). Useful for running multiple daemon instances side by side.          |
-
-The CLI starts the daemon automatically when none is running, so exporting
-either variable in your shell propagates to the daemon it spawns. If a daemon
-is already running, stop it first with `sbx daemon stop` so the next `sbx`
-command starts a daemon that picks up the new value.