This commit removes all of the rackspace related logging components.
This change is part 1 of 3 to update all of the logging bits within
the stack such that they're made more generic and community
consumable.
Plays removed:
* rsyslog-install.yml
Roles removed:
* rsyslog_setup
Variable changes:
* The default kibana and elasticsreach variables were removed.
Example config changes:
* The environment map was updated with the removed logging comonents.
Gate changes:
* rsyslog-install has been removed from the gating script as it no longer
serves the same purpose.
* The kibana variable override was removed.
* Kibana entries in `haproxy_config.yml` have been removed.
DocImpact
Implements: blueprint rsyslog-update
Change-Id: Icd25653a29c9936cecc63ba5dc82aeb1cfb7ebd8