hide additionals in admin menu

stylesheets/application.css

@@ -479,7 +479,8 @@
     content: '\e824';
 } /* '' */
 
-#admin-menu li:has(> a.microsoft-project-connector) {
+#admin-menu li:has(> a.microsoft-project-connector),
+#admin-menu li:has(> a.additionals) {
     display: none;
 }