Merge branch 'remove-duplicate-issue-boards-from-project-export-page' into 'master'

Remove duplicate 'Issue Boards' from export page

See merge request gitlab-org/gitlab-ee!15027

app/views/projects/_export.html.haml

@@ -14,7 +14,6 @@
         %li= _('Project uploads')
         %li= _('Project configuration, including services')
         %li= _('Issues with comments, merge requests with diffs and comments, labels, milestones, snippets, and other project entities')
-        %li= _('Issue Boards')
         %li= _('LFS objects')
         %li= _('Issue Boards')
       %p= _('The following items will NOT be exported:')