Removed some unneeded versionadded directives

Author: javiereguiluz

components/form.rst

@@ -728,11 +728,6 @@ and the errors will display next to the fields on error.
     For a list of all of the built-in validation constraints, see
     :doc:`/reference/constraints`.
 
-.. versionadded:: 5.2
-
-    Constraint message can contains ``{{ label }}`` placeholder that will be replaced
-    by corresponding form field label (in view of ``label_format`` option).
-
 Accessing Form Errors
 ~~~~~~~~~~~~~~~~~~~~~
 

forms.rst

@@ -548,11 +548,6 @@ corresponding errors printed out with the form. Read the
 :doc:`Symfony validation documentation </validation>` to learn more about this
 powerful feature.
 
-.. versionadded:: 5.2
-
-    Constraint message can contains ``{{ label }}`` placeholder that will be replaced
-    by corresponding form field label (in view of ``label_format`` option).
-
 Other Common Form Features
 --------------------------