Remove jenkins/scripts/run-tox.sh
Remove jenkins/scripts/run-tox.sh

Now all users of this script are gone, time to delete it.

Change-Id: Ic452adf1265b63ef76731700fc8ee4a2058e8f9b
Depends-On: https://review.openstack.org/540603
Depends-On: https://review.openstack.org/540596
Depends-On: https://review.openstack.org/540595
Depends-On: https://review.openstack.org/539207
Depends-On: https://review.openstack.org/537789
Depends-On: https://review.openstack.org/540659
Depends-On: https://review.openstack.org/538344

openstack-infra/project-config,openstack-infra/project-config