docs: replace english locale mirrors with translated landing pages

docs/es/reference/templates/USER.md

@@ -1,23 +0,0 @@
----
-summary: "User profile record"
-read_when:
-  - Bootstrapping a workspace manually
----
-
-# USER.md - About Your Human
-
-_Learn about the person you're helping. Update this as you go._
-
-- **Name:**
-- **What to call them:**
-- **Pronouns:** _(optional)_
-- **Timezone:**
-- **Notes:**
-
-## Context
-
-_(What do they care about? What projects are they working on? What annoys them? What makes them laugh? Build this over time.)_
-
----
-
-The more you know, the better you can help. But remember — you're learning about a person, not building a dossier. Respect the difference.