Fix nettoyage modal: SVG icon files, padding/margin consistency, BBBDMSans font, fix HTMX trigger, nested details cleanup

app/public/admin/contenus.php

@@ -18,7 +18,6 @@ try {
     $allPages       = $db->getAllPages();
     $pages          = array_values(array_filter($allPages, fn($p) => in_array($p['slug'], $allowedPageSlugs, true)));
     $aproposKeys    = $db->getAllAproposContents();
-    $formHelpBlocks = $db->getAllFormHelpBlocks();
     $siteSettings   = $db->getAllSettings();
 } catch (Exception $e) {
     error_log("Error loading contenus: " . $e->getMessage());