fix: revert https://github.com/apache/dubbo-go/pull/1700

[LaurenceLiZhixin]

Fix etcd ci

[codecov-commenter]

Codecov Report

Merging #1701 (3ba5271) into 3.0 (6710138) will increase coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              3.0    #1701      +/-   ##
==========================================
+ Coverage   41.35%   41.48%   +0.12%     
==========================================
  Files         255      255              
  Lines       14664    14664              
==========================================
+ Hits         6064     6083      +19     
+ Misses       7901     7881      -20     
- Partials      699      700       +1     

Impacted Files	Coverage Δ
metrics/prometheus/reporter.go	28.57% <0.00%> (+1.71%)	⬆️
registry/nacos/listener.go	80.50% <0.00%> (+2.54%)	⬆️
metadata/report/delegate/delegate_report.go	35.09% <0.00%> (+8.60%)	⬆️

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