24726 Remove Across GitLab from side navigation

app/assets/stylesheets/framework/gitlab-theme.scss

@@ -21,7 +21,6 @@
       background: $color-darker;
     }
 
-    .sidebar-header,
     .sidebar-action-buttons {
       color: $color-light;
       background-color: lighten($color-darker, 5%);

app/assets/stylesheets/framework/sidebar.scss

@@ -59,11 +59,6 @@
     padding: 0 !important;
   }
 
-  .sidebar-header {
-    padding: 11px 22px 12px;
-    font-size: 20px;
-  }
-
   li {
     &.separate-item {
       padding-top: 10px;

app/views/layouts/nav/_dashboard.html.haml

 .nav-sidebar
-  .sidebar-header Across GitLab
   %ul.nav
     = nav_link(path: ['root#index', 'projects#trending', 'projects#starred', 'dashboard/projects#index'], html_options: {class: "#{project_tab_class} home"}) do
       = link_to dashboard_projects_path, title: 'Projects', class: 'dashboard-shortcuts-projects' do

changelogs/unreleased/24726-remove-across-gitlab.yml

+---
+title: 24726 Remove Across GitLab from side navigation
+merge_request: 
+author: