Use Resque.inline instead of custom code [ci skip]

config/initializers/resque.rb

@@ -11,21 +11,12 @@ if !AppConfig.single_process_mode?
   end
 end
 
+# Single process-mode hooks using Resque.inline
 if AppConfig.single_process_mode?
   if Rails.env == 'production'
     puts "WARNING: You are running Diaspora in production without Resque workers turned on.  Please don't do this."
   end
-  module Resque
+  Resque.inline = true
-    def enqueue(klass, *args)
-      begin 
-        klass.send(:perform, *args)
-      rescue Exception => e
-        Rails.logger.warn(e.message)
-        raise e
-        nil
-      end
-    end
-  end
 end
 
 if AppConfig[:airbrake_api_key].present?