php_api_ref base.css.twig: Hide Symfony Contracts from ToC

Author: adriendupuis

tools/php_api_ref/.phpdoc/template/css/base.css.twig

@@ -190,6 +190,10 @@ body.menu-resizing {
     background-image: url(../images/minus-white.svg);
 }
 
+.md-nav--primary .md-nav__item--nested:has(a[href="namespaces/symfony-contracts.html"]) {
+    display: none;
+}
+
 {# --------------------------------------------------------------------------- #}
 {# ------------------------------- Breadcrumbs ------------------------------- #}
 {# --------------------------------------------------------------------------- #}