Refactor to remove global variables

lib/crono/config.rb

@@ -1,23 +1,16 @@
 module Crono
   class Config
-    include Singleton
     CRONOTAB  = "config/cronotab.rb"
     LOGFILE   = "log/crono.rb"
 
-    attr_accessor :schedule
     attr_accessor :cronotab
     attr_accessor :logfile
     attr_accessor :daemonize
 
     def initialize
-      self.schedule = Schedule.new
       self.cronotab = CRONOTAB
       self.logfile  = LOGFILE
       self.daemonize = false
     end
   end
-
-  def self.config
-    Config.instance
-  end
 end