Remove year from planned events since it doesn't really make sense

layouts/events.erb

@@ -38,11 +38,11 @@
       <% end %>
     <% end %>
 
-    <% unless planned_events(@item[:academic_year]).empty? %>
+    <% unless planned_events().empty? %>
       <div class="content">
         <h1>Planned events</h1>
       </div>
-      <% planned_events(@item[:academic_year]).each_slice(1) do |slice| %>
+      <% planned_events().each_slice(1) do |slice| %>
       <div class="columns">
         <% slice.each do |event| %>
         <div class="tile is-parent ">

lib/helpers/events.rb

@@ -17,7 +17,7 @@ module EventsHelper
     all_events(year).reject { |x| x[:concrete] == false or x[:time] <= Date.today}
   end
 
-  def planned_events(year = nil)
+  def planned_events()
     @items.find_all('/planned_events/*.md')
   end