Removed tag attribute which are no longer useful

app/views/events/index.html.haml

 - if params[:year]
   %header.calendar-header.year
-    = link_to year: params[:year].to_i - 1, tag: params[:tag] do
+    = link_to year: params[:year].to_i - 1 do
       %em.fa.fa-backward
     = params[:year]
-    = link_to year: params[:year].to_i + 1, tag: params[:tag] do
+    = link_to year: params[:year].to_i + 1 do
       %em.fa.fa-forward
     :ruby
       set_meta_tags(

app/views/simple_calendar/_month_calendar.html.haml

 %header.calendar-header
   - if params[:year]
-    = link_to start_date: start_date.beginning_of_month,
-      tag: params[:tag] do
+    = link_to start_date: start_date.beginning_of_month do
       = I18n.t('date.month_names')[start_date.month]
       = start_date.year
   - else
-    = link_to '<<', start_date: (date_range.first - 1.day).beginning_of_month,
-      tag: params[:tag]
+    = link_to '<<', start_date: (date_range.first - 1.day).beginning_of_month
     = I18n.t('date.month_names')[start_date.month]
     = link_to root_path(year: start_date.year) do
       = start_date.year
-    = link_to '>>', start_date: (date_range.last + 1.day).beginning_of_month,
-      tag: params[:tag]
+    = link_to '>>', start_date: (date_range.last + 1.day).beginning_of_month
 
 %table.table.table-striped
   %thead