Remove @UpdateForV9 annotation in FullClusterRestartIT.java

Author: arpadkiraly

x-pack/plugin/ent-search/qa/full-cluster-restart/src/javaRestTest/java/org/elasticsearch/xpack/application/FullClusterRestartIT.java

@@ -26,7 +26,6 @@
 import static org.elasticsearch.Version.V_8_12_0;
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 
-@UpdateForV9(owner = UpdateForV9.Owner.ENTERPRISE_SEARCH) // Investigate what needs to be added in terms of 9.0 migration testing
 public class FullClusterRestartIT extends ParameterizedFullClusterRestartTestCase {
     // DSL was introduced with version 8.12.0 of ES.
     private static final Version DSL_DEFAULT_RETENTION_VERSION = V_8_12_0;