koji_builder: drop /srv/odcs as a default mount until we can fix perms

We want to use /srv/odcs to write image builds as part of odcs composes,
but permissions are not correct currently, so for now, lets drop it as
a default so rawhide compose can work.

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

roles/koji_builder/templates/runroot.conf.j2

@@ -5,7 +5,7 @@
 ; parameter for individual calls.
 ; default_mounts = /mnt/archive,/mnt/workdir
 {% if env == 'production' %}
-default_mounts = /mnt/koji,/srv/odcs/
+default_mounts = /mnt/koji
 {% elif env == 'staging' %}
 ; In staging we also need the production split volume
 default_mounts = /mnt/koji,/mnt/fedora_koji_prod/koji,/etc/kojid/secrets