Revert "Z-push apache config: Jessie also uses conf-available/conf-enabled"

This reverts commit 6b53da4bdc.

Using a different approach to maintain wheezy compatibility

roles/mailserver/tasks/z-push.yml

 - name: Copy z-push's config.php into place
   template: src=usr_share_z-push_config.php.j2 dest=/usr/share/z-push/config.php
 
-- name: Create z-push Apache alias and PHP configuration file
+- name: Configure z-push apache alias and php settings
+  copy: src=etc_apache2_conf.d_z-push.conf dest=/etc/apache2/conf.d/z-push.conf
+  notify: restart apache
+  when: ansible_distribution_release != 'trusty'
+
+- name: Create z-push apache alias and php configuration file for Ubuntu Trusty
   copy: src=etc_apache2_conf.d_z-push.conf dest=/etc/apache2/conf-available/z-push.conf
+  when: ansible_distribution_release == 'trusty'
 
-- name: Enable z-push Apache alias and PHP configuration file
+- name: Enable z-push Apache alias and PHP configuration file for Ubuntu Trusty
   command: a2enconf z-push creates=/etc/apache2/conf-enabled/z-push.conf
   notify: restart apache
+  when: ansible_distribution_release == 'trusty'
 
 - name: Configure z-push logrotate
   copy: src=etc_logrotate_z-push dest=/etc/logrotate.d/z-push owner=root group=root mode=0644