Merge branch 'right-sidebar-labels' into 'master'

Remove label hover state css override in right sidebars

See merge request gitlab-org/gitlab!80211

app/assets/stylesheets/pages/issuable.scss

@@ -148,12 +148,7 @@
   }
 
   .gl-label .gl-label-link:hover {
-    text-decoration: none;
     color: inherit;
-
-    .gl-label-text:last-of-type {
-      text-decoration: underline;
-    }
   }
 
   .btn-link {