minor #19155 Clean deprecated directives (alexandre-daubois)

This PR was merged into the 7.0 branch.

Discussion
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Clean deprecated directives

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Commits
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0091e41 Clean deprecated directives

Author: OskarStark

components/http_foundation.rst

@@ -518,11 +518,6 @@ It is possible to define partitioned cookies, also known as `CHIPS`_, by using t
     // you can also set the partitioned argument to true when using the `create()` factory method
     $cookie = Cookie::create('name', 'value', partitioned: true);
 
-.. versionadded:: 6.4
-
-    The :method:`Symfony\\Component\\HttpFoundation\\Cookie::withPartitioned`
-    method was introduced in Symfony 6.4.
-
 Managing the HTTP Cache
 ~~~~~~~~~~~~~~~~~~~~~~~
 

components/var_exporter.rst

@@ -224,12 +224,6 @@ initialized::
         }
     }
 
-.. deprecated:: 6.4
-
-    Using an array of closures for property-based initialization in the
-    ``createLazyGhost()`` method is deprecated since Symfony 6.4. Pass
-    a single closure that initializes the whole object instead.
-
 :class:`Symfony\\Component\\VarExporter\\LazyGhostTrait` also allows to
 convert non-lazy classes to lazy ones::