Revert "[manylinux2014] workaround mirror issue on s390x (#868)" (#897)
Revert "[manylinux2014] workaround mirror issue on s390x (#868)" (#897)

This reverts commit f6c6ee3a58fbda127fb8538cd10bfde2771e270d.
pypa/manylinux,manylinux/manylinux,pypa/manylinux,pypa/manylinux,manylinux/manylinux