Remove white border around ellipsis dropdown in Gitlab IDE

app/assets/stylesheets/page_bundles/_ide_theme_overrides.scss

@@ -241,7 +241,6 @@
   .btn-default:not(.gl-button),
   .dropdown,
   .dropdown-menu-toggle {
-    background-color: var(--ide-input-background, $white) !important;
     color: var(--ide-input-color, $gl-text-color) !important;
     border-color: var(--ide-btn-default-border, $border-color);
   }

changelogs/unreleased/skr-ide.yml

+---
+title: Removed ugly border around ellipsis dropdown Gitlab IDE
+merge_request: 53963
+author: Shubham Kumar @imskr
+type: fixed