fixed more rubocop complaints

sorter.lic

@@ -118,7 +118,6 @@ class Sorter
   def cleanup_hook
     DownstreamHook.remove('sorter')
   end
-
 end
 
 use_table = script.vars.include?('table')
@@ -127,7 +126,7 @@ sorter_instance = Sorter.new(use_table)
 begin
   # Keep the script running in the background to monitor incoming lines.
   while true; sleep(0.1); end
-  
+
 ensure
   sorter_instance.cleanup_hook # Clean up when the script exits.
 end