Fix script to repack preprocessed data

scripts/repack-preprocessed-data.sh

@@ -9,6 +9,4 @@ cd data && \
     mv bridge_data processed && \
     tar czf pre_processed.tar.xz processed/* && \
     rm -r processed && \
-    mkdir -p bridge_data && \
-    mv pre_processed.tar.xz bridge_data && \
     cd ..