fix(autoware_tensorrt_classifier): fix clang errors (#9508)

Signed-off-by: kobayu858 <yutaro.kobayashi@tier4.jp>

Author: kobayu858

perception/autoware_tensorrt_classifier/include/autoware/tensorrt_classifier/calibrator.hpp

@@ -270,19 +270,19 @@ class Int8LegacyCalibrator : public nvinfer1::IInt8LegacyCalibrator
     output.write(reinterpret_cast<const char *>(cache), length);
   }
 
-  double getQuantile() const noexcept
+  double getQuantile() const noexcept override
   {
     printf("Quantile %f\n", m_quantile);
     return m_quantile;
   }
 
-  double getRegressionCutoff(void) const noexcept
+  double getRegressionCutoff(void) const noexcept override
   {
     printf("Cutoff %f\n", m_cutoff);
     return m_cutoff;
   }
 
-  const void * readHistogramCache(std::size_t & length) noexcept
+  const void * readHistogramCache(std::size_t & length) noexcept override
   {
     hist_cache_.clear();
     std::ifstream input(histogram_cache_file_, std::ios::binary);
@@ -301,7 +301,7 @@ class Int8LegacyCalibrator : public nvinfer1::IInt8LegacyCalibrator
     }
     return length ? &hist_cache_[0] : nullptr;
   }
-  void writeHistogramCache(void const * ptr, std::size_t length) noexcept
+  void writeHistogramCache(void const * ptr, std::size_t length) noexcept override
   {
     std::ofstream output(histogram_cache_file_, std::ios::binary);
     output.write(reinterpret_cast<const char *>(ptr), length);

perception/autoware_tensorrt_classifier/include/autoware/tensorrt_classifier/tensorrt_classifier.hpp

@@ -107,7 +107,6 @@ class TrtClassifier
   std::vector<float> input_h_;
   CudaUniquePtr<float[]> input_d_;
 
-  bool needs_output_decode_;
   size_t out_elem_num_;
   size_t out_elem_num_per_batch_;
   CudaUniquePtr<float[]> out_prob_d_;