removed broken migration

db/migrate/20120119203233_fix_notable_key.rb

-class FixNotableKey < ActiveRecord::Migration
-  def change
-    change_column :notes, :noteable_id, :integer, :limit => 11
-  end
-end

db/migrate/20120121122616_fix_noteable_id.rb

@@ -4,6 +4,5 @@ class FixNoteableId < ActiveRecord::Migration
   end
 
   def down
-    change_column :notes, :noteable_id, :integer, :limit => 11
   end
 end