fix old migration for Rails 2.3.4

db/migrate/018_move_recipes_to_stages.rb

@@ -1,34 +1,11 @@
-class Recipe < ActiveRecord::Base
-  has_and_belongs_to_many :recipes
-  has_many :stages
-end
-
-class Stage < ActiveRecord::Base
-  has_and_belongs_to_many :recipes
-  belongs_to :project
-end
-
-class Recipe < ActiveRecord::Base
-  has_and_belongs_to_many :projects
-  has_and_belongs_to_many :stages
-end
-
 class MoveRecipesToStages < ActiveRecord::Migration
   def self.up
 
     create_table "recipes_stages", :id => false, :force => true do |t|
       t.integer "recipe_id"
       t.integer "stage_id"
     end
-
-    Recipe.find(:all).each do |r|
-      r.projects.each do |p|
-        p.stages.each do |s|
-          s.recipes << r
-        end
-      end
-    end
-
+
   end
 
   def self.down