remove extra line

- signed-off-by: Groosg <filibert.groosg@gmail.com>

README.md

@@ -579,7 +579,6 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/hadolint/hadolint"><b>Haskell Dockerfile Linter</b></a> - a smarter Dockerfile linter that helps you build best practice Docker images.<br>
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 ##### :black_small_square: Performance
 
 <p>