enhance: [2.4] Revert clean compaction task in compactionHandler

[xiaocai2333]

Reverts #38584

issue: #35711

master pr: #38170

[mergify]

@xiaocai2333 Thanks for your contribution. Please submit with DCO, see the contributing guide https://github.com/milvus-io/milvus/blob/master/CONTRIBUTING.md#developer-certificate-of-origin-dco.

[mergify]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[xiaocai2333]

/run-cpu-e2e

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, xiaocai2333

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[codecov]

Codecov Report

Attention: Patch coverage is 47.36842% with 50 lines in your changes missing coverage. Please review.

Project coverage is 72.14%. Comparing base (b9eb396) to head (d403cc6).
Report is 2 commits behind head on 2.4.

Files with missing lines	Patch %	Lines
internal/datacoord/compaction_task_clustering.go	51.47%	29 Missing and 4 partials ⚠️
internal/datacoord/compaction_task_mix.go	0.00%	13 Missing ⚠️
internal/datacoord/compaction_task_l0.go	80.00%	2 Missing ⚠️
internal/datacoord/partition_stats_meta.go	33.33%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #38753      +/-   ##
==========================================
- Coverage   80.40%   72.14%   -8.26%     
==========================================
  Files        1077     1077              
  Lines      169610   169507     -103     
==========================================
- Hits       136369   122289   -14080     
- Misses      28744    42730   +13986     
+ Partials     4497     4488       -9     

Files with missing lines	Coverage Δ
internal/datacoord/compaction.go	74.86% <100.00%> (-2.86%)	⬇️
internal/datacoord/compaction_task.go	88.88% <ø> (ø)
internal/datacoord/meta.go	88.24% <ø> (-1.62%)	⬇️
pkg/util/merr/errors.go	92.18% <ø> (ø)
pkg/util/merr/utils.go	83.15% <ø> (-0.13%)	⬇️
internal/datacoord/compaction_task_l0.go	95.23% <80.00%> (+1.14%)	⬆️
internal/datacoord/partition_stats_meta.go	43.62% <33.33%> (-8.50%)	⬇️
internal/datacoord/compaction_task_mix.go	57.03% <0.00%> (-3.96%)	⬇️
internal/datacoord/compaction_task_clustering.go	72.55% <51.47%> (-6.46%)	⬇️

... and 227 files with indirect coverage changes