Revert "TMP - issue bot - increase comment limit"

This reverts commit cc45445.

issue-bot/src/Console/EvaluateCommand.php

@@ -158,7 +158,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
 		$postComments = (bool) $input->getOption('post-comments');
 		if ($postComments) {
-			if (count($toPost) > 50) {
+			if (count($toPost) > 20) {
 				$output->writeln('Too many comments to post, something is probably wrong.');
 				return 1;
 			}