Remove the attempt to validate the pdmergeaction option; it wasn't wo…

…rking

and doesn't add enough value to be worth digging into further (anything
other than `merge` or `resolve` gets treated same as `ignore`).

And a tiny bit more debugging.

pd2zabbix.cgi

@@ -82,7 +82,6 @@ our $config = AppConfig->new(
     pdmergeaction => {
         DEFAULT  => 'ignore',
         ARGCOUNT => ARGCOUNT_ONE,
-        VALIDATE => qr/^(merge|ignore|resolve)$/,
     },
 );
 
@@ -232,6 +231,7 @@ sub pagerduty_handle_webhook {
     # Special case: merged incidents
     if ( $event_type eq 'incident.resolved' && $event->{'data'}{'resolve_reason'}{'type'} eq 'merge_resolve_reason' ) {
         warn("PD events merged...\n") if $DEBUG >= 1;
+        warn("pdmergeaction=".$config->get('pdmergeaction')."\n") if $DEBUG >= 2;
 
         if ( $config->get('pdmergeaction') eq 'merge' ) {
             warn("Merging this incident into another\n") if $DEBUG >= 1;