Cleanup markdown extensions that are on by default

Remove comment

gen.pl

@@ -9,8 +9,7 @@ use IPC::Open2;
 use Digest::MD5 qw(md5_base64);
 
 my @hlwords  = qw/immer nie jede jedem jedes muss keine alle nicht/;
-my @markdown = qw/pandoc -f markdown+smart+fenced_code_blocks+backtick_code_blocks --html-q-tags --ascii/;
-# my @markdown = qw/cat/;
+my @markdown = qw/pandoc -f markdown --html-q-tags --ascii/;
 
 my $question;
 my $single_choice;