Removed an unneeded versionadded directive

Author: javiereguiluz

components/property_info.rst

@@ -293,10 +293,6 @@ string values: ``array``, ``bool``, ``callable``, ``float``, ``int``,
 Constants inside the :class:`Symfony\\Component\\PropertyInfo\\Type`
 class, in the form ``Type::BUILTIN_TYPE_*``, are provided for convenience.
 
-.. versionadded:: 4.4
-
-    Support for typed properties (added in PHP 7.4) was introduced in Symfony 4.4.
-
 ``Type::isNullable()``
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