Retire semantic_form_for

Also a buttload of form cleanups...

app/helpers/event_types_helper.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module EventTypesHelper
+  ##
+  # Includes functions related to event_types
+  ##
+  ##
+  # ====Returns
+  # * +String+ -> number of registrations / max allowed registrations
+  def event_type_select_options(event_types = {})
+    event_types.map { |type| ["#{type.title} - #{show_time(type.length)}", type.id] }
+  end
+end

app/helpers/events_helper.rb

@@ -46,14 +46,6 @@ module EventsHelper
     end
   end
 
-  def track_selector_input(form)
-    if @program.tracks.confirmed.cfp_active.any?
-      form.input :track_id, as:            :select,
-                            collection:    @program.tracks.confirmed.cfp_active.pluck(:name, :id),
-                            include_blank: '(Please select)'
-    end
-  end
-
   def rating_tooltip(event, max_rating)
     "#{event.average_rating}/#{max_rating}, #{pluralize(event.voters.length, 'vote')}"
   end