minor #1079 Update README.md (abdounikarim)

This PR was merged into the master branch.

Discussion
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Update README.md

Hello,

I remove an unused link 😉

Commits
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97dd471 Update README.md

Author: javiereguiluz

README.md

@@ -57,4 +57,3 @@ $ ./bin/phpunit
 [2]: https://symfony.com/doc/current/reference/requirements.html
 [3]: https://symfony.com/doc/current/cookbook/configuration/web_server_configuration.html
 [4]: https://symfony.com/download
-[5]: https://github.com/symfony/webpack-encore