Rebuild rubocop TODOs after auto-correcting

lib/tasks/several_schedules.rake

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 namespace :data do
   desc 'Move the start_time and room attributes from Event to EventSchedule'
 
@@ -7,16 +9,15 @@ namespace :data do
       program.selected_schedule = schedule
       program.save
       program.events.each do |event|
-        unless event.start_time.nil? && event.room_id.nil?
-          # we can not use .room as this relation has been removed
-          EventSchedule.create(event: event,
-                               schedule: schedule,
-                               start_time: event.start_time,
-                               room_id: event.room_id)
-          event.start_time = nil
-          event.room_id = nil
-          event.save
-        end
+        next if event.start_time.nil? && event.room_id.nil?
+        # we can not use .room as this relation has been removed
+        EventSchedule.create(event: event,
+                             schedule: schedule,
+                             start_time: event.start_time,
+                             room_id: event.room_id)
+        event.start_time = nil
+        event.room_id = nil
+        event.save
       end
     end
     puts 'The start_time and room attributes has been moved from Event to EventSchedule'