Revert "download_image有効化によりtableが吐いていたエラー解除"

This reverts commit ce7c9c7832b125c874f47f40243700156885097e.

Conflicts:
	Work/PrimeMinistersByPython/primeministers/io.py
	Work/PrimeMinistersByPython/primeministers/table.py