koord-descheduler: remove duplicated validation

[LeoLiuYan]

Signed-off-by: LeoLiuYan 929908264@qq.com

Ⅰ. Describe what this PR does

As the title says.

Ⅱ. Does this pull request fix one issue?

NONE

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Base: 66.98% // Head: 66.98% // No change to project coverage 👍

Coverage data is based on head (04421b1) compared to base (97e92cb).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #963   +/-   ##
=======================================
  Coverage   66.98%   66.98%           
=======================================
  Files         243      243           
  Lines       28283    28283           
=======================================
  Hits        18944    18944           
  Misses       8041     8041           
  Partials     1298     1298           

Flag	Coverage Δ
unittests	66.98% <ø> (ø)

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[eahydra]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eahydra

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• pkg/descheduler/OWNERS [eahydra]

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