fix: Sidebar — MagicHelp (TrOCR) + Bildung & Schule Kategorie entfernt

Diese Module gehoeren nur in den Admin Lehrer (macmini:3002),
nicht ins Compliance Dashboard. Entfernt: Education Search,
Zeugnisse-Crawler, Abitur-Archiv, Klausur-Korrektur, Magic Help.

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

admin-compliance/app/globals.css

@@ -66,16 +66,6 @@
     @apply text-infrastructure-700;
   }
 
-  .bg-category-education {
-    @apply bg-education-100;
-  }
-  .border-category-education {
-    @apply border-education-300;
-  }
-  .text-category-education {
-    @apply text-education-700;
-  }
-
   .bg-category-communication {
     @apply bg-communication-100;
   }