PR #114 follow-up: Hide extra config if registry not enabled.

Author: geerlingguy

templates/gitlab.rb.j2

@@ -82,9 +82,11 @@ nginx['ssl_client_certificate'] = "{{ gitlab_nginx_ssl_client_certificate }}"
 
 # GitLab registry.
 registry['enable'] = {{ gitlab_registry_enable }}
+{% if gitlab_registry_enable %}
 registry_external_url "{{ gitlab_registry_external_url }}"
 registry_nginx['ssl_certificate'] = "{{ gitlab_registry_nginx_ssl_certificate }}"
 registry_nginx['ssl_certificate_key'] = "{{ gitlab_registry_nginx_ssl_certificate_key }}"
+{% endif %}
 
 {% if gitlab_extra_settings is defined %}
 # Extra configuration