small fix for settings for announcement pro feature

app/views/admin/announcements/settings.html.erb

@@ -57,6 +57,7 @@
         <span class="help-block">Put 0 for unlimited.</span>
     </div>
   </div>
+  <% if AnnouncementSetting.is_pro? %>
   	<% if !sub_managers.blank? %>
 	  <div class="control-group">
 	    <%= f.label "Approver Setting", :class => "control-label muted" %>
@@ -86,11 +87,12 @@
 		<% end %>
 	<% end %>
 </div>
+<% end %>
 <div class="form-actions">
   <%= f.submit t('submit'), class: 'btn btn-primary' %>
 </div>
 <% end %>
-
+<% if AnnouncementSetting.is_pro? %>
 <div id="approverModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="approverModalLabel" aria-hidden="true">
   <div class="modal-header">
     <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
@@ -134,7 +136,7 @@
 	})
 
 </script>
-
+<% end %>