copr-builders: speedup spawner by disabling RHSM on host

Just an experiment, not sure whether it helps.

roles/copr/backend/files/provision/copr-rh-subscribe.sh

@@ -80,4 +80,5 @@ try_indefinitely subscription-manager register --force \
         --username "$opt_user" \
         --password "$opt_pass" \
         --name "$opt_system"
+
 try_indefinitely subscription-manager attach --pool "$opt_pool_id"

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

@@ -97,6 +97,13 @@
   when:
     - preparing_image
 
+- name: disable subscription manager on host
+  ini_file:
+    dest: /etc/dnf/plugins/subscription-manager.conf
+    section: main
+    option: enabled
+    value: "0"
+
 - name: install the subscription-manager script
   copy:
     src: copr-rh-subscribe.sh