[Fix] modify download script for nuscenes (#2660)

* fix: modify download script for nuscenes
Signed-off-by: wep21 <daisuke.nishimatsu1021@gmail.com>

* Update nuscenes_unzip.sh

---------
Signed-off-by: wep21 <daisuke.nishimatsu1021@gmail.com>
Co-authored-by: Xiang Xu <xuxiang0103@gmail.com>

tools/dataset_converters/nuscenes_unzip.sh

@@ -8,7 +8,7 @@ for split in $DOWNLOAD_DIR/nuScenes/raw/*; do
         if [[ $tgz_file == *.tgz ]]
         then
             echo "Unzipping $tgz_file to $DATA_ROOT ......"
-            unzip -oq $tgz_file -d $DATA_ROOT/
+            tar -zxvf $tgz_file -C $DATA_ROOT/
             echo "[Done] Unzip $tgz_file to $DATA_ROOT"
         fi
         # delete the original files