Merge branch '10655-issues-scss' into 'master'

Removes EE differences for issues.scss

Closes gitlab-ee#10655

See merge request gitlab-org/gitlab-ce!26583

app/assets/stylesheets/pages/issues.scss

@@ -145,6 +145,11 @@ ul.related-merge-requests > li {
   }
 }
 
+.issues-footer {
+  padding-top: $gl-padding;
+  padding-bottom: 37px;
+}
+
 .issues-nav-controls {
   font-size: 0;