Remove ansible-cron role

Once the previous patch has landed and run on system-config
then we can remove the role altogether.

Change-Id: I14fef0e178544d71390a6601915c745647435ab9

.zuul.yaml

@@ -1560,7 +1560,6 @@
     files:
       - playbooks/service-bridge.yaml
       - playbooks/host_vars/bridge.openstack.org.yaml
-      - playbooks/roles/ansible-cron/.*
       - playbooks/roles/logrotate/.*
       - playbooks/roles/cloud-launcher-cron/.*
       - playbooks/roles/edit-secrets-script/.*

playbooks/roles/ansible-cron/README.rst

@@ -1,28 +0,0 @@
-Setup periodic runs of ``run_all.sh``, which runs playbooks against
-bridge.o.o and all hosts.
-
-**Role Variables**
-
-.. zuul:rolevar:: update_cron_interval
-
-   .. zuul:rolevar:: minute
-      :default: 15
-
-   .. zuul:rolevar:: hour
-      :default: *
-
-   .. zuul:rolevar:: day
-      :default: *
-
-   .. zuul:rolevar:: month
-      :default: *
-
-   .. zuul:rolevar:: weekday
-      :default: *
-
-   .. zuul:rolevar:: ansible_cron_disable_job
-      :default: false
-
-      Disabled installed cron job.  This is only useful for CI jobs
-      testing bridge.o.o so that the test host does not randomly run
-      the script during CI tests that fall during the interval.

playbooks/roles/ansible-cron/defaults/main.yaml

@@ -1,8 +0,0 @@
-update_cron_interval:
-  minute: '*/15'
-  hour: '*'
-  day: '*'
-  month: '*'
-  weekday: '*'
-# Flag that can be set in tests to ensure cron is not run
-ansible_cron_disable_job: false

playbooks/roles/ansible-cron/tasks/main.yaml

@@ -1,15 +0,0 @@
-- name: Ensure directory exists for lock files
-  file:
-    state: directory
-    path: /var/run/ansible
-
-- name: Set PATH for cron
-  cron:
-    name: PATH
-    env: yes
-    value: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-
-- name: Set up cron job for running run_all.sh
-  cron:
-    name: run_all.sh
-    state: absent

playbooks/service-bridge.yaml

@@ -1,7 +1,6 @@
 - hosts: bridge.openstack.org:!disabled
   name: "Bridge: configure the bastion host"
   roles:
-    - ansible-cron
     - cloud-launcher-cron
     - edit-secrets-script
     - install-kubectl