Remove timing from progress bar to avoid needless changes

[J535D165]

For the sake of reproducibility and traceability, it might be better to remove the timing and download speed from the final result. This avoids git from tracking changes.

% datahugger 10.5061/dryad.x3ffbg7m8 data
README_Pfaller_Robinson_20[...].txt: 100%|█████████████████████████████████████| 17.1k/17.1k [00:00<00:00, 2.62MB/s]
Pfaller_Robinson_2022_Glob[...].csv: 100%|████████████████████████████████████████| 709k/709k [00:00<00:00, 904kB/s]
Repository content succesfully downloaded.