docs: replace english locale mirrors with translated landing pages

docs/es/cli/voicecall.md

@@ -1,34 +0,0 @@
----
-summary: "CLI reference for `openclaw voicecall` (voice-call plugin command surface)"
-read_when:
-  - You use the voice-call plugin and want the CLI entry points
-  - You want quick examples for `voicecall call|continue|status|tail|expose`
-title: "voicecall"
----
-
-# `openclaw voicecall`
-
-`voicecall` is a plugin-provided command. It only appears if the voice-call plugin is installed and enabled.
-
-Primary doc:
-
-- Voice-call plugin: [Voice Call](/plugins/voice-call)
-
-## Common commands
-
-```bash
-openclaw voicecall status --call-id <id>
-openclaw voicecall call --to "+15555550123" --message "Hello" --mode notify
-openclaw voicecall continue --call-id <id> --message "Any questions?"
-openclaw voicecall end --call-id <id>
-```
-
-## Exposing webhooks (Tailscale)
-
-```bash
-openclaw voicecall expose --mode serve
-openclaw voicecall expose --mode funnel
-openclaw voicecall unexpose
-```
-
-Security note: only expose the webhook endpoint to networks you trust. Prefer Tailscale Serve over Funnel when possible.