add new command delete

[zhzhuang-zju]

What type of PR is this?
/kind feature

What this PR does / why we need it:
add new command delete

Which issue(s) this PR fixes:
Parts of #5249

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

`karmadactl`: add a new command `karmadactl delete` to delete resources

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 31.04%. Comparing base (19d1146) to head (764bf58).

Files	Patch %	Lines
pkg/karmadactl/delete/delete.go	0.00%	5 Missing ⚠️
pkg/karmadactl/karmadactl.go	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5431      +/-   ##
==========================================
- Coverage   31.05%   31.04%   -0.02%     
==========================================
  Files         638      639       +1     
  Lines       44307    44313       +6     
==========================================
- Hits        13760    13757       -3     
- Misses      29552    29560       +8     
- Partials      995      996       +1     

Flag	Coverage Δ
unittests	31.04% <0.00%> (-0.02%)	⬇️

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[zhzhuang-zju]

/retest

[zhzhuang-zju]

/retest

[zhzhuang-zju]

cc @RainbowMango

[RainbowMango]

/lgtm
/approve

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

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• pkg/karmadactl/OWNERS [RainbowMango]

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