[validator] Updated Dutch translation

Author: evertharmeling

src/Symfony/Component/Validator/Resources/translations/validators.nl.xlf

@@ -468,7 +468,7 @@
             </trans-unit>
             <trans-unit id="120">
                 <source>This value is not a valid slug.</source>
-                <target state="needs-review-translation">Deze waarde is geen geldige slug.</target>
+                <target>Deze waarde is geen geldige slug.</target>
             </trans-unit>
         </body>
     </file>