loongson/pypi: links for b2-cleanup

loongson/mirror b2_cleanup-0.1.4.tar.gz
loongson/mirror b2_cleanup-0.1.4-py3-none-any.whl
loongson/mirror b2_cleanup-0.1.3.tar.gz
loongson/mirror b2_cleanup-0.1.3-py3-none-any.whl
loongson/mirror b2_cleanup-0.1.0.tar.gz
loongson/mirror b2_cleanup-0.1.0-py3-none-any.whl