Update box_iou_rotated_npu.cpp

Author: JYYCaN

mmcv/ops/csrc/pytorch/npu/box_iou_rotated_npu.cpp

@@ -8,10 +8,8 @@ void box_iou_rotated_impl(const Tensor boxes1, const Tensor boxes2, Tensor ious,
 
 void box_iou_rotated_npu(const Tensor boxes1, const Tensor boxes2, Tensor ious,
                          const int mode_flag, const bool aligned) {
-
   TORCH_CHECK(boxes1.size(1) == 5, "boxes1 must be 2D tensor (N, 5)");
   TORCH_CHECK(boxes1.size(1) == 5, "boxes1 must be 2D tensor (N, 5)");
-  
   EXEC_NPU_CMD(aclnnBoxIou, boxes1, boxes2, mode_flag, aligned, ious);
   return;
 }