Zabbix: proxy playbook is erroring, add this new role elsewhere

Signed-off-by: Greg Sutcliffe <fedora@emeraldreverie.org>

playbooks/groups/proxies.yml

@@ -27,7 +27,6 @@
   - rkhunter
   - nagios_client
   - zabbix/zabbix_agent
-  - zabbix/sslchecks
   - collectd/base
   - sudo
   - rsyncd

playbooks/groups/zabbix.yml

@@ -22,6 +22,7 @@
   - sudo
   - { role: zabbix/zabbix_server, tags: zabbix_server }
   - { role: zabbix/zabbix_agent, tags: zabbix_agent }
+  - { role: zabbix/sslchecks, tags: zabbix_api }
   - { role: openvpn/client, when: env != "staging" }
 
   pre_tasks: