Ftr: change log to dubbo go logger

[cjphaha]

Some code in the project uses native log, such as :

import (
    "log"
)

log.Printf("xxx")

Now change it to the unified use of the framework itself logger, the code is in common/logger ，the modified method of use is:

import (
    log "dubbo.apache.org/dubbo-go/v3/common/logger"
)

log.Infof("xxx")

[codecov-commenter]

Codecov Report

Merging #1617 (db31740) into 3.0 (fe19465) will decrease coverage by 0.06%.
The diff coverage is n/a.

❗ Current head db31740 differs from pull request most recent head 70deec6. Consider uploading reports for the commit 70deec6 to get more accurate results

@@            Coverage Diff             @@
##              3.0    #1617      +/-   ##
==========================================
- Coverage   40.97%   40.91%   -0.07%     
==========================================
  Files         251      251              
  Lines       14405    14405              
==========================================
- Hits         5903     5894       -9     
- Misses       7820     7830      +10     
+ Partials      682      681       -1     

Impacted Files	Coverage Δ
metadata/report/delegate/delegate_report.go	26.49% <0.00%> (-7.95%)	⬇️
metrics/prometheus/reporter.go	28.57% <0.00%> (+1.71%)	⬆️

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