Fix bug for putting duplicated messsages while sending batch message

[jameslcj]

What is the purpose of the change

Fix bug for putting duplicated messsages while sending batch message

Brief changelog

Remove the redundant code

Verifying this change

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[coveralls]

Coverage increased (+0.2%) to 47.327% when pulling acbc6f9 on jameslcj:5.0.0-beta into 33fd330 on apache:5.0.0-beta.

[codecov-commenter]

Codecov Report

Merging #4466 (acbc6f9) into 5.0.0-beta (33fd330) will increase coverage by 0.02%.
The diff coverage is n/a.

@@               Coverage Diff                @@
##             5.0.0-beta    #4466      +/-   ##
================================================
+ Coverage         43.15%   43.17%   +0.02%     
- Complexity         6064     6069       +5     
================================================
  Files               801      801              
  Lines             57087    57086       -1     
  Branches           7805     7805              
================================================
+ Hits              24637    24648      +11     
+ Misses            29229    29221       -8     
+ Partials           3221     3217       -4     

Impacted Files	Coverage Δ
...ocketmq/broker/processor/SendMessageProcessor.java	45.64% <ø> (+0.13%)	⬆️
...rg/apache/rocketmq/common/stats/StatsSnapshot.java	84.61% <0.00%> (-15.39%)	⬇️
...va/org/apache/rocketmq/common/stats/StatsItem.java	50.00% <0.00%> (-5.00%)	⬇️
...ava/org/apache/rocketmq/filter/util/BitsArray.java	59.82% <0.00%> (-2.57%)	⬇️
...a/org/apache/rocketmq/store/StoreStatsService.java	49.17% <0.00%> (-0.56%)	⬇️
...ava/org/apache/rocketmq/store/MappedFileQueue.java	54.85% <0.00%> (-0.53%)	⬇️
...mq/client/impl/producer/DefaultMQProducerImpl.java	44.91% <0.00%> (-0.38%)	⬇️
...he/rocketmq/client/impl/consumer/ProcessQueue.java	61.00% <0.00%> (+0.45%)	⬆️
.../org/apache/rocketmq/store/ha/DefaultHAClient.java	58.97% <0.00%> (+0.51%)	⬆️
...ent/impl/consumer/DefaultLitePullConsumerImpl.java	68.95% <0.00%> (+0.51%)	⬆️
... and 8 more

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