Remove additional blank line (#2852)

Author: github-actions[bot]

README.md

@@ -73,5 +73,4 @@ We are [available for hire][hire].
 [community]: https://thoughtbot.com/community?utm_source=github
 [hire]: https://thoughtbot.com/hire-us?utm_source=github
 
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 <!-- END /templates/footer.md -->