Remove old versionadded directives

Author: OskarStark

reference/constraints/Type.rst

@@ -126,11 +126,6 @@ function) and ``accessCode`` contains either only letters or only digits (using
             }
         }
 
-.. versionadded:: 4.4
-
-    The feature to define multiple types in the ``type`` option was introduced
-    in Symfony 4.4.
-
 Options
 -------
 
@@ -161,11 +156,6 @@ type
 
 **type**: ``string`` or ``array`` [:ref:`default option <validation-default-option>`]
 
-.. versionadded:: 4.4
-
-    The feature to define multiple types in the ``type`` option was introduced
-    in Symfony 4.4.
-
 This required option defines the type or collection of types allowed for the
 given value. Each type is defined as the fully qualified class name or one of
 the PHP datatypes as determined by PHP's ``is_*()`` functions.