https://devcentral.nasqueron.org/source/operations/browse/main/roles/dbserver-pgsql/server/build.sls can be pruned.
Per 8499d5c21d3, this is now default, so we don't need anymore to build a custom port with XML enabled.
Reference: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269115