ODCS: Use symlinks insted of hardlink-or-copy for raw_config composes.

roles/odcs/base/templates/etc/odcs/raw_config_wrapper.conf.j2

@@ -5,11 +5,12 @@ koji_profile = 'odcs_stg'
 koji_profile = 'odcs_production'
 {% endif %}
 
-{% if env == 'staging' %}
-# We cannot use hardlinks on stg, because it uses different volume and copy
-# just takes lot of storage.
+# We cannot use hardlinks, because ODCS uses different volume and copy
+# just takes lot of storage and time.
 link_type = 'symlink'
 
+{% if env == 'staging' %}
+
 # Staging is used only for testing, so allow only x86_64 composes
 tree_arches = ['x86_64']
 {% endif %}