Merge pull request #55263 from anfernee/refactor_reduce

Automatic merge from submit-queue (batch tested with PRs 55254, 55525, 50108, 54674, 55263). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Refactor Priority Reduce functions

- Reducing the duplicated reduce function by introducing a reduce
  function generator that generates common reduce functions.
- Remove logs from reduce function, so it's purely calculating scores.
- Optimize the reduce functions by removing unnecessary conversion to
  float64.

**Release note**:
```release-note
None
```

plugin/pkg/scheduler/factory/plugins.go

@@ -429,12 +429,14 @@ func getPriorityFunctionConfigs(names sets.String, args PluginFactoryArgs) ([]al
 		}
 		if factory.Function != nil {
 			configs = append(configs, algorithm.PriorityConfig{
+				Name:     name,
 				Function: factory.Function(args),
 				Weight:   factory.Weight,
 			})
 		} else {
 			mapFunction, reduceFunction := factory.MapReduceFunction(args)
 			configs = append(configs, algorithm.PriorityConfig{
+				Name:   name,
 				Map:    mapFunction,
 				Reduce: reduceFunction,
 				Weight: factory.Weight,