Revert "stein/paunch: force to build on old commit"
Revert "stein/paunch: force to build on old commit"

This reverts commit 6c984fb81a6239216c4832a2f7f281fe4432dbaf.
We have identified the issue in Paunch for BZ#1739224 [1]; we need other
patches in paunch for BZ#1742169 so we need to revert the pin.

[1] https://review.opendev.org/#/c/678071

rhbz#1739224
rhbz#1742169

Change-Id: I3d144bf40ef3dd01ed565f608ead9672737492e0

javierpena/rdoinfo,redhat-openstack/rdoinfo