SEC-2690: Revert explicit TcpTransport since causes tests to fail

ldap/src/main/java/org/springframework/security/ldap/server/ApacheDSContainer.java

@@ -128,7 +128,7 @@ public class ApacheDSContainer implements InitializingBean, DisposableBean, Life
         server = new LdapServer();
         server.setDirectoryService(service);
         // AbstractLdapIntegrationTests assume IPv4, so we specify the same here
-        server.setTransports(new TcpTransport("127.0.0.1", port));
+        server.setTransports(new TcpTransport(port));
         start();
     }