move all the cron jobs in a dedicated directory

app/jobs/cron/discarded_procedures_deletion_job.rb

@@ -0,0 +1,10 @@
+class Cron::DiscardedProceduresDeletionJob < Cron::CronJob
+  self.schedule_expression = "every day at 1 am"
+
+  def perform(*args)
+    Procedure.discarded_expired.find_each do |procedure|
+      procedure.dossiers.with_discarded.destroy_all
+      procedure.destroy
+    end
+  end
+end