Merge branch '37603-preferences-settings-extra-line' into 'master'

Remove unused extra hr in preferences

Closes #37603

See merge request !14127

app/views/profiles/preferences/show.html.haml

@@ -16,10 +16,10 @@
         .preview= image_tag "#{scheme.css_class}-scheme-preview.png"
         = f.radio_button :color_scheme_id, scheme.id
         = scheme.name
+
   .col-sm-12
     %hr
-  .col-sm-12
-    %hr
+
   .col-lg-4.profile-settings-sidebar
     %h4.prepend-top-0
       Behavior