fix: retain original date of birth when anonymizing xml dumps

src/Service/BpnXmlAnonymizer.php

@@ -202,8 +202,6 @@ class BpnXmlAnonymizer
         $title = '';
         $gender = 'D';
         $nationality = 'XX';
-        $birthDate = '01.01.1980';
-
         $street = sprintf('%s %s', $this->faker->streetName(), $this->faker->buildingNumber());
         $postalCode = $this->faker->postcode();
         $city = $this->faker->city();
@@ -232,7 +230,6 @@ class BpnXmlAnonymizer
             'title' => $title,
             'gender' => $gender,
             'nationality' => $nationality,
-            'birthDate' => $birthDate,
             'street' => $street,
             'postalCode' => $postalCode,
             'city' => $city,
@@ -389,11 +386,6 @@ class BpnXmlAnonymizer
             $this->replaceNodeValue($nationalityNode, $identity['nationality']);
         }
 
-        $birthDateNode = $this->getDirectChild($personNode, 'geburtsdatum');
-        if (null !== $birthDateNode) {
-            $this->replaceNodeValue($birthDateNode, $identity['birthDate']);
-        }
-
         $heightNode = $this->getDirectChild($personNode, 'sonstiges1');
         if (null !== $heightNode) {
             $this->replaceNodeValue($heightNode, $identity['height']);