[CodeStyle] remove unused-variable warning in linux

[GreatV]

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Others

PR changes

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Describe

remove unused-variable warning in Linux.

cat build_before.log | grep "\[\-W" |grep -v party | awk '{print $NF}'|sort|uniq -c|sort -nr
      6 [-Wterminate]
      4 [-Wunused-variable]
      2 [-Wunknown-pragmas]

cat build_after.log | grep "\[\-W" |grep -v party | awk '{print $NF}'|sort|uniq -c|sort -nr
      6 [-Wterminate]
      2 [-Wunknown-pragmas]

• [CodeStyle] Compiler Warning tracking issue #47143

[paddle-bot]

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[luotao1]

windows-inference流水线上的单测出现随机挂， @GreatV 可以不用关注，我们会处理

2022-11-02 13:53:56 The following tests FAILED:
2022-11-02 13:53:56 	352 - test_trt_dynamic_shape_ernie_ser_deser (Failed)
2022-11-02 13:53:56 	1154 - test_pylayer_op (Failed)

[luotao1]

LGTM

[luotao1]

还有一些 `unused-variable` 是否后续也可以去掉

[GreatV]

还有一些 unused-variable 是否后续也可以去掉

嗯嗯，这些是下一步的目标。