Drop extra process_events call

Author: kpamnany

base/task.jl

@@ -1205,11 +1205,6 @@ function wait()
     have_result = false
     W = workqueue_for(Threads.threadid())
     task = trypoptask(W)
-    if !(task isa Task)
-        # didn't find a task to run, try again
-        process_events()
-        task = trypoptask(W)
-    end
     if !(task isa Task)
         # No tasks to run; switch to the scheduler task to run the
         # thread sleep logic.