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Refactoring of priority function(CaculateSpreadPriority) by using map/reduce pattern
**What this PR does / why we need it**:
Ref #24246. exactly ref https://github.com/kubernetes/kubernetes/issues/51455, the PR aim to unify priority functions(deprecated) by using map/reduce pattern.
This is the first step, my todo list(WIP):
- interpod-affnity priority funciton refactoring
- the priority funcitons register pattern
- deprecated priority function definition and all related logic. etc.
**Which issue this PR fixes**:
no issue, just unify the priority functions pattern.
**Special notes for your reviewer**:
none
**Release note**:
none
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