Remove scrollbar in Safari in repo settings page

Closes #47410.

app/assets/stylesheets/pages/settings.scss

@@ -52,7 +52,7 @@
 .settings-content {
   max-height: 1px;
-  overflow-y: scroll;
+  overflow-y: hidden;
   padding-right: 110px;
   animation: collapseMaxHeight 300ms ease-out;
   // Keep the section from expanding when we scroll over it

changelogs/unreleased/safari-scrollbar-bug.yml

+---
+title: Remove scrollbar in Safari in repo settings page
+merge_request: 19809
+author: gfyoung
+type: fixed