fix: Remove accidental heading from post to restore expected error

Author: smockle

sites/site-with-errors/_posts/2025-07-30-welcome-to-jekyll.markdown

@@ -19,13 +19,11 @@ def print_hi(name)
   puts "Hi, #{name}"
 end
 print_hi('Tom')
-
-# => prints 'Hi, Tom' to STDOUT
-
+#=> prints 'Hi, Tom' to STDOUT.
 {% endhighlight %}
 
 Check out the [Jekyll docs][jekyll-docs] for more info on how to get the most out of Jekyll. File all bugs/feature requests at [Jekyll’s GitHub repo][jekyll-gh]. If you have questions, you can ask them on [Jekyll Talk][jekyll-talk].
 
 [jekyll-docs]: https://jekyllrb.com/docs/home
 [jekyll-gh]:   https://github.com/jekyll/jekyll
-[jekyll-talk]: https://talk.jekyllrb.com/
+[jekyll-talk]: https://talk.jekyllrb.com/