koordlet: add nri remove

[kangclzjc]

Ⅰ. Describe what this PR does

Add NRI RemovePodSandbox event handler into koordlet hook. It's part of the #1974. Resctrl runtime hook will leverage this to cleanup the resctrl group.

Ⅱ. Does this pull request fix one issue?

#1831

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

[kangclzjc]

/assign @saintube, PTAL.

[codecov]

Codecov Report

Attention: Patch coverage is 88.23529% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 68.73%. Comparing base (afa430a) to head (1d5bd58).
Report is 3 commits behind head on main.

Files	Patch %	Lines
pkg/koordlet/runtimehooks/protocol/pod_context.go	66.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2046      +/-   ##
==========================================
- Coverage   68.75%   68.73%   -0.02%     
==========================================
  Files         423      423              
  Lines       39246    39263      +17     
==========================================
+ Hits        26985    26989       +4     
- Misses       9928     9938      +10     
- Partials     2333     2336       +3     

Flag	Coverage Δ
unittests	68.73% <88.23%> (-0.02%)	⬇️

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[saintube]

/lgtm

[kangclzjc]

@jasonliu747 PTAL

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes, saintube

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• pkg/koordlet/OWNERS [hormes,saintube]
• pkg/runtimeproxy/OWNERS [hormes]

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