Streamline worker generator

create_worker_classes.rb

 require 'yaml'
 require 'fileutils'
-
-class String
-    def camelize(first_letter = :upper)
-      case first_letter
-      when :upper
-        ActiveSupport::Inflector.camelize(self, true)
-      when :lower
-        ActiveSupport::Inflector.camelize(self, false)
-      else
-        raise ArgumentError, "Invalid option, use either :upper or :lower."
-      end
-    end
-end
+require 'active_support/core_ext/string'
 
 %w[app/workers/all_queues.yml ee/app/workers/all_queues.yml].each do |queues|
 ws = YAML.load_file(queues)
@@ -28,7 +16,6 @@ ws.each do |w|
   File.open("/tmp/workers/#{file_parts.join("/")}.rb", "w") do |f|
     classdef = <<-CLASSDEF
 class #{class_name}Worker
-  include Sidekiq::Worker
   include ApplicationWorker
 
   def perform(*args)