copr-be: never regress back to old novaclient

We should really pay attention to use newer novaclient in the future,
when we get back to some OpenStack cloud.

roles/copr/backend/tasks/main.yml

@@ -41,11 +41,6 @@
   dnf: state=present name=python3-openstackclient
   when: devel|bool
 
-# disable this in favor of excluding it in /etc/dnf/dnf.conf.
-# https://github.com/ansible/ansible/issues/33187
-#- name: install python2-novaclient version that actually works with the current OpenStack deployment
-#  dnf: state=present name=https://kojipkgs.fedoraproject.org/packages/python-novaclient/3.3.1/3.fc25/noarch/python3-novaclient-3.3.1-3.fc25.noarch.rpm
-
 - name: make copr dirs
   file: state=directory path={{ item }}
   with_items: