fix sniper db (#4433)

configs/sniper/faster_rcnn_r50_fpn_1x_sniper_visdrone.yml

@@ -7,25 +7,3 @@ _BASE_: [
 ]
 weights: output/faster_rcnn_r50_fpn_1x_sniper_visdrone/model_final
 find_unused_parameters: true
-
-
-
-metric: COCO
-num_classes: 9
-
-TrainDataset:
-  !COCODataSet
-    image_dir: train
-    anno_path: annotations/train.json
-    dataset_dir: dataset/VisDrone2019_coco
-    data_fields: ['image', 'gt_bbox', 'gt_class', 'is_crowd']
-
-EvalDataset:
-  !COCODataSet
-    image_dir: val
-    anno_path: annotations/val.json
-    dataset_dir: dataset/VisDrone2019_coco
-
-TestDataset:
-  !ImageFolder
-    anno_path: annotations/val.json

configs/sniper/ppyolo_r50vd_dcn_1x_sniper_visdrone.yml

@@ -31,26 +31,3 @@ OptimizerBuilder:
   regularizer:
     factor: 0.0005
     type: L2
-
-
-
-
-metric: COCO
-num_classes: 9
-
-TrainDataset:
-  !COCODataSet
-    image_dir: train
-    anno_path: annotations/train.json
-    dataset_dir: dataset/VisDrone2019_coco
-    data_fields: ['image', 'gt_bbox', 'gt_class', 'is_crowd']
-
-EvalDataset:
-  !COCODataSet
-    image_dir: val
-    anno_path: annotations/val.json
-    dataset_dir: dataset/VisDrone2019_coco
-
-TestDataset:
-  !ImageFolder
-    anno_path: annotations/val.json