stronger guard vs deleted universes

Author: drusepth

app/views/timelines/index.html.erb

@@ -29,7 +29,7 @@
               -->
             </div>
             <div class="card-content black-text js-content-name">
-              <% if timeline.universe_id? %>
+              <% if timeline.universe %>
                 <p class="right">
                   <%= link_to timeline.universe, class: "#{Universe.text_color}" do %>
                     <i class="material-icons left"><%= Universe.icon %></i>