Prevent duplicate health status text on epics

Make sure short and long labels are not visible at the
same time.

I would like to clean up the related_items styles, many of
these styles can be avoided and I question the value of "issue"
being included in the text, but it is ok for now

app/assets/stylesheets/components/related_items_list.scss

@@ -348,6 +348,10 @@ $item-remove-button-space: 42px;
 
 @media only screen and (min-width: 1500px) {
   .card-header {
+    .health-label-short {
+      display: none;
+    }
+
     .health-label-long {
       display: block;
     }

changelogs/unreleased/227090-health-status-text-displaying-twice-on-epic-tree.yml

+---
+title: Prevent duplicate health status text on epics
+merge_request:
+author:
+type: fixed