Add Crono::Cronotab to process cronotab

lib/tasks/crono_tasks.rake

@@ -1,18 +1,8 @@
-module Crono
-  def self.load_cronotab
-    cronotab_path = ENV['CRONOTAB'] || (defined?(Rails) &&
-                      File.join(Rails.root, Config::CRONOTAB))
-    fail 'No cronotab defined' unless cronotab_path
-    puts "Load cronotab #{cronotab_path}"
-    require cronotab_path
-  end
-end
-
 namespace :crono do
   desc 'Clean unused job stats from DB'
   task clean: :environment do
     Crono.scheduler = Crono::Scheduler.new
-    Crono.load_cronotab
+    Crono::Cronotab.process
     current_job_ids = Crono.scheduler.jobs.map(&:job_id)
     Crono::CronoJob.where.not(job_id: current_job_ids).destroy_all
   end
@@ -20,7 +10,7 @@ namespace :crono do
   desc 'Check cronotab.rb syntax'
   task check: :environment do
     Crono.scheduler = Crono::Scheduler.new
-    Crono.load_cronotab
+    Crono::Cronotab.process
     puts 'Syntax ok'
   end
 end