[ISSUE #6745] Remove redundant variables

[hhy50]

ISSUE #6745

This AtomicInteger variable is meaningless, there is no thread safety issue here, and the variable does not return

[codecov-commenter]

Codecov Report

Merging #6740 (1e5f8f9) into develop (9d411cf) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@              Coverage Diff              @@
##             develop    #6740      +/-   ##
=============================================
- Coverage      42.85%   42.84%   -0.02%     
  Complexity      9002     9002              
=============================================
  Files           1113     1113              
  Lines          78615    78614       -1     
  Branches       10229    10229              
=============================================
- Hits           33692    33683       -9     
+ Misses         40701    40699       -2     
- Partials        4222     4232      +10     

Impacted Files	Coverage Δ
...client/consumer/store/RemoteBrokerOffsetStore.java	68.75% <100.00%> (-0.28%)	⬇️

... and 23 files with indirect coverage changes

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[mxsm]

Hi @haiyanghan Pleas link to issue.

[hhy50]

Hi @haiyanghan Pleas link to issue.

ok

[hhy50]

@mxsm PTAL