Move pull-from-intermediate-registry to localhost

This should run on the executor, not the nodes.

Change-Id: I61fd52982c81d6dfe309b641cdb28278b4b438f2

playbooks/container-image/pre.yaml

@@ -8,6 +8,7 @@
       when: "container_command | default('podman') != 'docker'"
       include_role:
         name: ensure-podman
-    - name: Pull from intermediate registry
-      include_role:
-        name: pull-from-intermediate-registry
+
+- hosts: localhost
+  roles:
+    - pull-from-intermediate-registry