minor symfony#6994 [Reference] remove 2.8 versionadded directive (xabbuh)

This PR was merged into the 3.1 branch.

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[Reference] remove 2.8 versionadded directive

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aa66771 [Reference] remove 2.8 versionadded directive

Author: xabbuh

reference/configuration/framework.rst

@@ -1247,9 +1247,6 @@ paths
 
 **type**: ``array`` **default**: ``[]``
 
-.. versionadded:: 2.8
-    The ``paths`` option was introduced in Symfony 2.8.
-
 This option allows to define an array of paths where the component will look
 for translation files.