Remove PID hackery, GH-22

lib/sidekiq/util.rb

@@ -55,19 +55,7 @@ module Sidekiq
     end
 
     def process_id
-      Sidekiq::Util.process_id
-    end
-
-    def self.process_id
-      @pid ||= begin
-        if Process.pid == 1
-          # Heroku does not expose pids.
-          require 'securerandom'
-          (SecureRandom.random_number * 4_000_000_000).floor.to_s(16)
-        else
       Process.pid
     end
   end
-    end
-  end
 end