[feat][backend] Remove GetTracesAdvanceInfo goroutine.

[taoyifan89]

Change-Id: I813b42821b672f975ae9c521b16b7312c03512db

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Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...bservability/domain/trace/service/trace_service.go	0.00%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

@@            Coverage Diff             @@
##             main     #507      +/-   ##
==========================================
+ Coverage   77.07%   77.13%   +0.06%     
==========================================
  Files         649      650       +1     
  Lines       72039    72511     +472     
==========================================
+ Hits        55521    55932     +411     
- Misses      13199    13243      +44     
- Partials     3319     3336      +17     

Flag	Coverage Δ
unittests	77.13% <0.00%> (+0.06%)	⬆️

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Files with missing lines	Coverage Δ
...bservability/domain/trace/service/trace_service.go	88.93% <0.00%> (+0.23%)	⬆️

... and 9 files with indirect coverage changes

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