Feat: reasoning-Rolle entfernt — Modell geloescht, UI bereinigt

- Nemotron-3-Nano-Omni-30B-A3B-Reasoning von der Box entfernt (25 GB freigegeben)
- llama-swap config: Modell-Eintrag und reasoning-Alias entfernt
- sources.py: reasoning-Kategorie aus CATEGORIES entfernt
- maintenance.py: reasoning->heavy Mapping aus ROLE_MAP entfernt
- llamaswap.py: reasoning aus ROLE_IDS entfernt
- Frontend: reasoning aus allen ROLES-Arrays entfernt (ModelBadges, RolesCard, Cockpit)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/components/models/ModelBadges.tsx

@@ -1,7 +1,7 @@
 import { type Fit } from "@/lib/api"
 import { cn } from "@/lib/utils"
 
-export const ROLES = ["fast", "heavy", "coder", "reasoning", "agent", "vision", "scout"]
+export const ROLES = ["fast", "heavy", "coder", "agent", "vision", "scout"]
 
 export function FitBadge({ fit }: { fit: Fit }) {
   const tone = {