Fix logger (#2457)

lib/tasks/recalculate_vacdays.rake

@@ -1,14 +1,14 @@
 desc "Recalculate vacdays after bugfix for daylight savings time changes"
 task recalculate_vacdays: :environment do
   LettingsLog.where.not(vacdays: nil).find_each do |log|
-    Rails.logger.log("Log #{log.id}")
+    Rails.logger.info("Log #{log.id}")
     recalculated_vacdays = log.send(:property_vacant_days)
     next if recalculated_vacdays == log.vacdays
 
     log.vacdays = recalculated_vacdays
     next if log.save
 
-    Rails.logger.log("Log #{log.id} could not be saved, saving updated vacdays without validation")
+    Rails.logger.info("Log #{log.id} could not be saved, saving updated vacdays without validation")
     log.reload
     log.vacdays = recalculated_vacdays
     log.save!(validate: false)