Remove < PHP 8 dead code

Author: fancyweb

Adapter/ExtLdap/Query.php

@@ -24,8 +24,7 @@
  */
 class Query extends AbstractQuery
 {
-    // As of PHP 7.2, we can use LDAP_CONTROL_PAGEDRESULTS instead of this
-    public const PAGINATION_OID = '1.2.840.113556.1.4.319';
+    public const PAGINATION_OID = \LDAP_CONTROL_PAGEDRESULTS;
 
     /** @var Connection */
     protected $connection;

Tests/Adapter/ExtLdap/AdapterTest.php

@@ -149,8 +149,7 @@ public function testLdapPagination()
             $this->assertEquals(\count($paged_query->getResources()), 5);
 
             // This last query is to ensure that we haven't botched the state of our connection
-            // by not resetting pagination properly. extldap <= PHP 7.1 do not implement the necessary
-            // bits to work around an implementation flaw, so we simply can't guarantee this to work there.
+            // by not resetting pagination properly.
             $final_query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectClass=applicationProcess)(cn=user*))', [
                 'scope' => Query::SCOPE_ONE,
             ]);