[Uid] Removed Uuuid generator classes

Author: javiereguiluz

components/uid.rst

@@ -151,39 +151,9 @@ type, which converts to/from UUID objects automatically::
         // ...
     }
 
-There's also a Doctrine generator to help autogenerate UUID values for the
-entity primary keys::
-
-    // there are generators for UUID V1 and V6 too
-    use Symfony\Bridge\Doctrine\IdGenerator\UuidV4Generator;
-    use Symfony\Component\Uid\Uuid;
-
-    /**
-     * @ORM\Entity(repositoryClass="App\Repository\ProductRepository")
-     */
-    class Product
-    {
-        /**
-         * @ORM\Id
-         * @ORM\Column(type="uuid", unique=true)
-         * @ORM\GeneratedValue(strategy="CUSTOM")
-         * @ORM\CustomIdGenerator(class=UuidV4Generator::class)
-         */
-        private $id;
-
-        // ...
-
-        public function getId(): ?Uuid
-        {
-            return $this->id;
-        }
-
-        // ...
-    }
-
 .. versionadded:: 5.2
 
-    The UUID type and generators were introduced in Symfony 5.2.
+    The UUID type was introduced in Symfony 5.2.
 
 When using built-in Doctrine repository methods (e.g. ``findOneBy()``), Doctrine
 knows how to convert these UUID types to build the SQL query