[ISSUE #3738]Remove redundant callee of String.valueOf

[kealdishx]

Make sure set the target branch to develop

What is the purpose of the change

#3738

Brief changelog

XX

Verifying this change

XXXX

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[coveralls]

Coverage decreased (-0.09%) to 53.145% when pulling f113466 on kealdishx:f_remove_useless_callee into 1ef1af6 on apache:develop.

[codecov-commenter]

Codecov Report

Merging #3739 (f113466) into develop (1ef1af6) will decrease coverage by 0.07%.
The diff coverage is 0.00%.

@@              Coverage Diff              @@
##             develop    #3739      +/-   ##
=============================================
- Coverage      47.26%   47.18%   -0.08%     
+ Complexity      5042     5023      -19     
=============================================
  Files            628      628              
  Lines          41406    41406              
  Branches        5379     5379              
=============================================
- Hits           19569    19538      -31     
- Misses         19413    19443      +30     
- Partials        2424     2425       +1     

Impacted Files	Coverage Δ
...a/org/apache/rocketmq/store/StoreStatsService.java	29.96% <0.00%> (ø)
...rg/apache/rocketmq/common/stats/StatsSnapshot.java	84.61% <0.00%> (-15.39%)	⬇️
.../apache/rocketmq/common/stats/MomentStatsItem.java	38.09% <0.00%> (-9.53%)	⬇️
...ache/rocketmq/common/stats/MomentStatsItemSet.java	39.13% <0.00%> (-8.70%)	⬇️
...va/org/apache/rocketmq/common/stats/StatsItem.java	50.00% <0.00%> (-5.00%)	⬇️
...lient/impl/consumer/DefaultMQPushConsumerImpl.java	39.47% <0.00%> (-2.29%)	⬇️
...rocketmq/client/impl/factory/MQClientInstance.java	51.30% <0.00%> (-2.00%)	⬇️
...org/apache/rocketmq/common/stats/StatsItemSet.java	43.28% <0.00%> (-1.50%)	⬇️
...mq/client/impl/consumer/RebalanceLitePullImpl.java	48.52% <0.00%> (-1.48%)	⬇️
...e/rocketmq/client/impl/consumer/RebalanceImpl.java	41.40% <0.00%> (-1.18%)	⬇️
... and 11 more

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