unused variable

[elharo]

@summer-ji-eng

[codecov]

Codecov Report

Merging #1274 (b7098ae) into master (c41fb62) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1274      +/-   ##
============================================
- Coverage     79.23%   79.19%   -0.04%     
+ Complexity     1236     1235       -1     
============================================
  Files           209      209              
  Lines          5378     5378              
  Branches        454      454              
============================================
- Hits           4261     4259       -2     
- Misses          938      939       +1     
- Partials        179      180       +1     

Impacted Files	Coverage Δ	Complexity Δ
.../java/com/google/api/gax/batching/BatcherImpl.java	96.77% <0.00%> (-1.30%)	16.00% <0.00%> (-1.00%)

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