Cleanup todo

pkg/scheduler/core/generic_scheduler.go

@@ -1036,10 +1036,11 @@ func selectVictimsOnNode(
 	}
 	potentialVictims.Sort()
 	// If the new pod does not fit after removing all the lower priority pods,
-	// we are almost done and this node is not suitable for preemption. The only condition
-	// that we should check is if the "pod" is failing to schedule due to pod affinity
-	// failure.
-	// TODO(bsalamat): Consider checking affinity to lower priority pods if feasible with reasonable performance.
+	// we are almost done and this node is not suitable for preemption. The only
+	// condition that we could check is if the "pod" is failing to schedule due to
+	// inter-pod affinity to one or more victims, but we have decided not to
+	// support this case for performance reasons. Having affinity to lower
+	// priority pods is not a recommended configuration anyway.
 	if fits, _, err := podFitsOnNode(pod, meta, nodeInfoCopy, fitPredicates, queue, false); !fits {
 		if err != nil {
 			klog.Warningf("Encountered error while selecting victims on node %v: %v", nodeInfo.Node().Name, err)