cleanup: as tested and discussed

Signed-off-by: Sandor Szücs <[email protected]>

scheduler/scheduler.go

@@ -193,18 +193,6 @@ func (fq *fifoQueue) wait(ctx context.Context) (func(), error) {
 			// does not exist yet in Go stdlib as of Go1.18.4
 			return nil, err
 		}
-	} else {
-		// semaphore will not fail on Acquire when context timed out, nor when it's canceled.
-		// see also: https://github.com/golang/go/issues/63615
-		// The behavior can change as in the proposed change, so the code path on error would apply.
-		// If the proposed change was merge this code path below can likely be cleaned up.
-		select {
-		case <-c.Done():
-			// We timed out in Acquire, so it never increased semaphore by one
-			cnt.Add(-1)
-			return nil, ErrQueueTimeout
-		default:
-		}
 	}
 
 	return func() {