fix: Sidebar — OCR-Labeling entfernt (nur im Lehrer Admin noetig)

OCR-Labeling ist bereits im Core Admin (macmini:3002/ai/ocr-pipeline)
vorhanden und wird im Compliance Dashboard nicht benoetigt.

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

admin-compliance/lib/module-registry.ts

@@ -256,28 +256,6 @@ export const MODULE_REGISTRY: BackendModule[] = [
     },
     priority: 'medium'
   },
-  {
-    id: 'ocr-labeling',
-    name: 'OCR-Labeling',
-    description: 'Handschrift-Training und Label-Verwaltung',
-    category: 'ai',
-    backend: {
-      service: 'python-backend',
-      port: 8000,
-      basePath: '/api/ocr',
-      endpoints: [
-        { path: '/samples', method: 'GET', description: 'Training-Samples' },
-        { path: '/labels', method: 'GET', description: 'Label-Kategorien' },
-        { path: '/train', method: 'POST', description: 'Training starten' },
-      ]
-    },
-    frontend: {
-      adminV2Page: '/ai/ocr-labeling',
-      oldAdminPage: '/admin/ocr-labeling',
-      status: 'not-connected'
-    },
-    priority: 'medium'
-  },
   {
     id: 'rag-management',
     name: 'RAG & Daten',