fix: [2.4] Revert "enhance: Support db for bulkinsert (#37012) (#37017)"

[bigsheeper]

This reverts commit d6adc62.

issue: #31273

pr: #37420

[mergify]

@bigsheeper

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[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 79.62%. Comparing base (37d691f) to head (5e39b6a).
Report is 10 commits behind head on 2.4.

Files with missing lines	Patch %	Lines
internal/datacoord/services.go	60.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #37421      +/-   ##
==========================================
+ Coverage   79.05%   79.62%   +0.57%     
==========================================
  Files        1061     1069       +8     
  Lines      164564   165621    +1057     
==========================================
+ Hits       130088   131872    +1784     
+ Misses      30108    29384     -724     
+ Partials     4368     4365       -3     

Files with missing lines	Coverage Δ
internal/datacoord/import_job.go	100.00% <ø> (ø)
...nternal/distributed/proxy/httpserver/handler_v2.go	91.41% <100.00%> (+0.60%)	⬆️
...nternal/distributed/proxy/httpserver/request_v2.go	100.00% <100.00%> (ø)
internal/proxy/impl.go	85.79% <100.00%> (+4.34%)	⬆️
internal/datacoord/services.go	84.97% <60.00%> (+0.89%)	⬆️

... and 249 files with indirect coverage changes

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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Needs approval from an approver in each of these files:

• internal/datacoord/OWNERS [czs007]
• internal/distributed/OWNERS [czs007]
• internal/proto/OWNERS [czs007]
• internal/proxy/OWNERS [czs007]

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