copr-builders: drop centos-stream configuration hack

This will be provided in the new copr-rpmbuild release, deployed on
Monday, 2022-03-21 (ie. we shouldn't run the playbook against production
till then).

roles/copr/backend/files/provision/files/copr-distgit-client/centos-stream.ini

@@ -1,4 +0,0 @@
-[centos-stream]
-clone_hostnames = gitlab.com
-lookaside_location = https://sources.stream.centos.org
-lookaside_uri_pattern = sources/rpms/{name}/{filename}/{hashtype}/{hash}/{filename}

roles/copr/backend/files/provision/playbook-prepare-builder-to-create-images.yml

@@ -89,7 +89,6 @@
         - files/main.ini
         - files/dnf/infra-tags.repo
         - files/copr-rpmbuild/rpkg.conf.j2
-        - files/copr-distgit-client/centos-stream.ini
 
     - name: eimg.sh config
       copy:

roles/copr/backend/files/provision/provision_builder_tasks.yml

@@ -275,15 +275,6 @@
     - prepare_base_image is not defined
     - copr_builder_fedora_version == 34
 
-# Should be dropped once we resolve: https://pagure.io/copr/copr/issue/2015
-- name: install the CentOS DistGit config file
-  copy:
-    src: files/copr-distgit-client/centos-stream.ini
-    dest: /etc/copr-distgit-client/centos-stream.ini
-    mode: 0644
-  when:
-  - prepare_base_image is not defined
-
 - name: patch from https://pagure.io/rpkg-util/pull-request/38
   patch: src=patches/rpkg-v3.patch
          dest=/usr/lib/python3.10/site-packages/rpkglib/lookaside_cache.py