delete benchmark params of db++

test_tipc/configs/det_r50_db_plusplus/train_infer_python.txt

@@ -51,9 +51,3 @@ null:null
 null:null
 ===========================infer_benchmark_params==========================
 random_infer_input:[{float32,[3,640,640]}];[{float32,[3,960,960]}]
-===========================train_benchmark_params==========================
-batch_size:8|16
-fp_items:fp32|fp16
-epoch:2
---profiler_options:batch_range=[10,20];state=GPU;tracer_option=Default;profile_path=model.profile
-flags:FLAGS_eager_delete_tensor_gb=0.0;FLAGS_fraction_of_gpu_memory_to_use=0.98;FLAGS_conv_workspace_size_limit=4096