Updates Recent Reactions UI to match Admin UI changes (#10109)

-Adds crayons styling to _negative_reactions.html.erb
  -Removes dead divs from template

app/views/admin/users/_negative_reactions.html.erb

@@ -1,10 +1,9 @@
-<div class="row my-3">
-  <div class="col-12">
+<div class="crayons-card p-6">
+  <div>
     <h2 class="d-inline">Recent Reactions</h2>
     <button type="button" data-toggle="collapse" data-target="#reactions-row" class="btn btn-secondary float-right">Toggle</button>
   </div>
-  <div class="col-12 collapse" id="reactions-row">
-    <div class="list-group-flush">
+  <div class="pt-6 collapse" id="reactions-row">
     <% unless @related_vomit_reactions.empty? %>
       <% @related_vomit_reactions.each do |reaction| %>
         <a href="<%= reaction.reactable.path %>" class="list-group-item list-group-item-action px-5 d-flex justify-content-between">
@@ -16,6 +15,5 @@
       <% else %>
       <p><em>Nothing negative to see here! 👀</em></p>
     <% end %>
-    </div>
   </div>
 </div>