fix script utf8 reading json

podcasts/scripts/make-all-podcasts.pl

@@ -38,7 +38,7 @@ sub read_config {
 	my ($filename) = @_;
 
 	my $json_text = do { #read all the file in one shot
-		open(my $json_fh, "<:encoding(UTF-8)", $filename) 
+		open(my $json_fh, "<", $filename) 
 		or die("Can't open \$filename\": $!\n");
 		local $/;
    		<$json_fh>