docs: Updated docs

docs/operations/agent-updates.md

@@ -10,7 +10,6 @@ themselves on command.
 ## Checking the current version
 
 Each server's detail page shows the version it reported at its last sync.
-`GET /api/agent/latest-version` reports the newest release available.
 
 ## Updating from the UI
 
@@ -21,8 +20,6 @@ version. The agent then:
 2. Verifies the SHA-256 against `checksums.txt`.
 3. Stops itself, replaces the binary in place, and starts again.
 
-`Restart=always` on the systemd unit is what makes the last step work.
-
 The server briefly goes `offline` and comes back within a poll interval or two.
 
 ## Updating from the machine