Description of problem:

The curator is triggered by CronJob as of v3.11 instead of a running pod [0], 
so "openshift_logging_curator_run_timezone" variable is not used on v3.11 and can not control over the running timezone on curator.

For suppressing confusion, remove the deprecated ansible variable.

[0] [https://github.com/openshift/origin-aggregated-logging/tree/master/curator#compatibility-with-openshift-37]
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In earlier releases admins could control the timezone and time when curator runs from the curator config. 
This configuration has been moved to openshift-ansible. The timezone is not currently configurable, instead the timezone of OpenShift master node is used.
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Version-Release number of the following components:
rpm -q openshift-ansible

  openshift-ansible-3.11.59-1.git.0.ba8e948.el7.noarch

rpm -q ansible

  ansible-2.6.11-1.el7ae.noarch

ansible --version

  ansible 2.6.11
    config file = /etc/ansible/ansible.cfg
    configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
    ansible python module location = /usr/lib/python2.7/site-packages/ansible
    executable location = /usr/bin/ansible
    python version = 2.7.5 (default, Sep 12 2018, 05:31:16) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)]

How reproducible:

Always, even though "openshift_logging_curator_run_timezone" is configured, the CronJob is triggered by timezone which is running master controllers.

Steps to Reproduce:
1.
2.
3.

Actual results:

N/A

Expected results:

N/A

Additional info:

https://bugzilla.redhat.com/show_bug.cgi?id=1677454#c3
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Between 3.10 and 3.11 we switched from custom implementation of cron to official k8s cronjob controller.
Run hour and run minute are no longer environmental variables of the pod, but are part of the cronjob configuration.
https://github.com/openshift/openshift-ansible/blob/master/roles/openshift_logging_curator/tasks/main.yaml#L92

Kubernetes cronjob controller uses timezone of the host, which is why we don't configure it directly from curator playbook any more. As documented in https://github.com/openshift/origin-aggregated-logging/tree/master/curator#compatibility-with-openshift-37

@Daein Park, please wait for https://github.com/openshift/openshift-ansible/pull/11211 to merge and then close this bz.
~~~