Fix: retirer applyTranslations du MutationObserver (boucle infinie)

applyTranslations modifie le DOM -> declenche MutationObserver
-> re-appelle applyConfig + applyTranslations -> boucle infinie.
Le re-apply reste dans le callback fetch sidebar de chaque page.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

html/assets/js/topbar-logo.js

@@ -71,9 +71,5 @@ document.addEventListener('DOMContentLoaded', () => {
             badge.style.display = (config.WIFI_status === 'hotspot') ? '' : 'none';
         });
 
-        // 5. Re-apply i18n translations for dynamically loaded elements (sidebar, topbar)
-        if (window.i18n && typeof window.i18n.applyTranslations === 'function') {
-            window.i18n.applyTranslations();
-        }
     }
 });