Removed an unnecessary comment

Author: javiereguiluz

frontend/encore/versioning.rst

@@ -48,7 +48,6 @@ in your ``script`` and ``link`` tags. If you're using Symfony, just activate the
     # config/packages/assets.yaml
     framework:
         assets:
-            # feature is supported in Symfony 3.3 and higher
             json_manifest_path: '%kernel.project_dir%/public/build/manifest.json'
 
 That's it! Just be sure to wrap each path in the Twig ``asset()`` function