role shouldn't always remove conf-xxx/zabbix.conf on Debian

[MVKozlov]

Describe the bug
Role always remove default /etc/apache2/conf-available/zabbix.conf config on Debian
even user do not want to install vhost for zabbix

Installation method/version

• Github / latest

Ansible Version

2.8

Targetted hosts

• Ubuntu
• Debian

Expected behavior
Role should not remove default conf-xxx/Zabbix.conf when User do not want to install vhost conf

Possible solution

--- apache_Debian_old.yml	Thu Jun 25 09:29:00 2019
+++ apache_Debian.yml	Wed Jun 26 15:19:40 2019
@@ -27,6 +27,7 @@
   file:
     path: "{{ item }}"
     state: absent
+  when: zabbix_vhost
   with_items:
     - /etc/apache2/conf-available/zabbix.conf
     - /etc/apache2/conf-enabled/zabbix.conf

but may be the role configuration should be like

zabbix_apache_config_style: vhost | conf | skip