Conditionalize the containerbuild stuff

roles/koji_builder/templates/kojid.conf

@@ -72,7 +72,11 @@ serverca = /etc/kojid/cacert.pem
 
 {% if 'runroot' in group_names %}
 ; Config for it lives in /etc/kojid/runroot.conf
+{% if env == 'staging' %}
 plugins = runroot builder_container
+{% else %}
+plugins = runroot
+{% endif %}
 
 ; We use the hub's plugin path since that's where
 ; the package installs the builder plugin.
@@ -80,6 +84,10 @@ pluginpath = /usr/lib/koji-hub-plugins
 
 {% else %}
 
+{% if env == 'staging' %}
 plugins = builder_container
+{% else %}
+plugins =
+{% endif %}
 
 {% endif %}