Revert "infra-prod: clone source once"

This reverts commit 42df57b545.
This reverts commit 9cccb02bb0.

Change-Id: I56be9bcf54b634b7403e71af8b4d08d234cbb91a
Depends-On: https://review.opendev.org/820251

playbooks/zuul/setup-production-workspace.yaml

@@ -1,6 +0,0 @@
-- hosts: bridge.openstack.org
-  become: true
-  tasks:
-    - name: Placeholder
-      debug:
-        msg: 'Setup production workspace tasks running'

zuul.d/infra-prod.yaml

@@ -7,27 +7,9 @@
     name: infra-prod-playbook
     max: 1
 
-# This job is intended to run first and setup the bridge source repo
-# to the state of the current buildset.  After this, deployment jobs
-# can run in parallel using this source checkout.
-- job:
-    name: infra-prod-setup-src
-    parent: opendev-infra-prod-setup-src
-    description: |
-      Replicate Zuul source repos to bridge
-
-      This replicates the Zuul source state to the bridge node.  This
-      should be run once per buildset.
-    semaphores: infra-prod-playbook
-    # The action actually happens in opendev-infra-prod-setup-src
-    # because it's a trusted playbook.  But this might be a handy
-    # place to hook in things such as writing out secrets from Zuul in
-    # the future?
-    run: playbooks/zuul/setup-production-workspace.yaml
-
 - job:
     name: infra-prod-playbook
-    parent: opendev-infra-prod-setup-keys
+    parent: opendev-infra-prod-base
     description: |
       Run specified playbook against productions hosts.
 

zuul.d/project.yaml

@@ -353,15 +353,10 @@
         # dependencies here rather than job definitions to help keep
         # these relationships clear.
 
-        # This job replicates the system-config from this buildset
-        # onto bridge
-        - infra-prod-setup-src
-
         # This installs the ansible on bridge that all the infra-prod
         # jobs will run with.  Note the jobs use this ansible to then
         # run against zuul's checkout of system-config.
-        - infra-prod-install-ansible:
-            dependencies: infra-prod-setup-src
+        - infra-prod-install-ansible
 
         # From now on, all jobs should depend on base
         - infra-prod-base: &infra-prod-base