+#remove deprecated config on our own terms, not freeside-upgrade's
+# if ($error =~ /existential comparison/ && $item->section eq 'deprecated') {
+# my $proto;
+# for ( @config_items ) { $proto = $_; last if $proto->key eq $key; }
+# unless ($proto->key eq $key) {
+# warn "removed config item $error\n" if $DEBUG;
+# $error = '';
+# }
+# }
+