db-koji01: define dbs to backup

We want backups, enable them here.

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

inventory/host_vars/db-koji01.iad2.fedoraproject.org

@@ -15,8 +15,8 @@ databases:
 - koji
 
 # This is a more strict list, to be made publicly available
-#dbs_to_backup:
-#- koji
+dbs_to_backup:
+- koji
 
 # These are normally group variables, but in this case db servers are often different
 lvm_size: 1500000