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
```