enhance: remove frequent logs

[xiaofan-luan]

remove unnecessary logs on collecting metric info

[sre-ci-robot]

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 80.61%. Comparing base (62293cb) to head (86e392e).

Files with missing lines	Patch %	Lines
internal/datacoord/metrics_info.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #41105   +/-   ##
=======================================
  Coverage   80.61%   80.61%           
=======================================
  Files        1478     1478           
  Lines      210160   210163    +3     
=======================================
+ Hits       169411   169428   +17     
+ Misses      34614    34605    -9     
+ Partials     6135     6130    -5     

Components	Coverage Δ
Client	79.59% <ø> (ø)
Core	72.65% <ø> (ø)
Go	82.00% <0.00%> (+<0.01%)	⬆️

Files with missing lines	Coverage Δ
internal/datacoord/metrics_info.go	82.84% <0.00%> (-0.82%)	⬇️

... and 29 files with indirect coverage changes

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[mergify]

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

[mergify]

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