chore(1459): убраны mappa-vitya-* из skills-репо — перенесены в victor/mappa-vitya-skills

- удалены skills/mappa-vitya-brainstorming + mappa-vitya-project-discipline
- README: убрана строка provenance mappa-vitya-brainstorming
- project-bootstrap: ссылки на mappa-vitya-project-discipline → victor/mappa-vitya-skills
- правило уведомлений (.admin) уже зафиксировано в целевом репо (3b4d51c)

skills/project-bootstrap/README.md

@@ -102,9 +102,9 @@ target with `CLAUDE_SKILLS_DIR=/path bash scripts/install.sh …`.
 
 - [`using-wiki`](../using-wiki/) — runtime policy for the mappa wiki (v2).
 - [`using-tasks`](../using-tasks/) — runtime policy for the mappa task board (v2).
-- [`mappa-vitya-project-discipline`](../mappa-vitya-project-discipline/)
-  — vitya-flavored cross-project discipline (activated per-project by
-  `mappa-bootstrap`, which selects the methodology flavor).
+- vitya-flavored cross-project discipline (activated per-project by
+  `mappa-bootstrap`, which selects the methodology flavor) — moved to
+  `victor/mappa-vitya-skills` (mappa-vitya-project-discipline).
 - [`setup-interns`](../setup-interns/), [`using-interns`](../using-interns/) —
   pair behind the `delegate to interns when allowed` trigger; cheap-LLM
   delegation under a per-session permission grant.