Remove unneeded file

images.rake

-namespace :images do
-  desc "Regenerate images"
-  task :regenerate => :environment do
-    require 'open-uri'
-    OpportunityPhoto.all.each do |photo|
-      begin
-        old_name = photo.image_file_name
-        new_image = open(photo.image.url(:original, escape: false))
-        class << new_image
-          def original_filename; @original_filename; end
-          def original_filename=(name); @original_filename = name; end
-        end
-        new_image.original_filename = old_name
-        photo.image = new_image
-        photo.save
-      rescue => e
-        puts "ERROR: #{e.message} while processing #{photo.id}"
-      end
-    end
-  end
-end