bring --daemon option back

Author: themsaid

src/Illuminate/Queue/Console/WorkCommand.php

@@ -22,6 +22,7 @@ class WorkCommand extends Command
     protected $signature = 'queue:work
                             {connection? : The name of the queue connection to work}
                             {--queue= : The names of the queues to work}
+                            {--daemon : Run the worker in daemon mode (Deprecated)}
                             {--once : Only process the next job on the queue}
                             {--stop-when-empty : Stop when the queue is empty}
                             {--delay=0 : The number of seconds to delay failed jobs}