rt: Remove dead code from schedule_task() #4323
                
     Merged
            
            
          
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schedule_task()had a useless loop left over from when therunning_taskslist was searched linearly for a runnable task.schedule_task()assertedthisis not null. This is not a very useful assertion, especially since the function already dereferencedthis->lock. :)number_of_live_tasks()accessedrunning_tasksandblocked_taskslists without a lock.