Remove code from back_end/bulletins/show

vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/show.html.erb

@@ -1,15 +1,3 @@
-<% content_for :secondary do %>
-<%= render :partial => '/panel/announcement/back_end/announcement_secondary' %>
-<% end -%>
-
-<%= flash_messages %>
-
-<br />
-<br />
-<br />
-<br />
-<br />
-
 <ul>
 	<li>
   <b><%= t('announcement.category') %></b>