Fix multitency config update (opensearch-project#2758)

Moved multi-tenancy to REST API implementation

Signed-off-by: Andrey Pleskach <ples@aiven.io>
Signed-off-by: Maciej Mierzwa <dev.maciej.mierzwa@gmail.com>

src/main/java/org/opensearch/security/OpenSearchSecurityPlugin.java

@@ -117,11 +117,6 @@
 import org.opensearch.search.query.QuerySearchResult;
 import org.opensearch.security.action.configupdate.ConfigUpdateAction;
 import org.opensearch.security.action.configupdate.TransportConfigUpdateAction;
-import org.opensearch.security.action.tenancy.TenancyConfigRestHandler;
-import org.opensearch.security.action.tenancy.TenancyConfigRetrieveActions;
-import org.opensearch.security.action.tenancy.TenancyConfigRetrieveTransportAction;
-import org.opensearch.security.action.tenancy.TenancyConfigUpdateAction;
-import org.opensearch.security.action.tenancy.TenancyConfigUpdateTransportAction;
 import org.opensearch.security.action.whoami.TransportWhoAmIAction;
 import org.opensearch.security.action.whoami.WhoAmIAction;
 import org.opensearch.security.auditlog.AuditLog;
@@ -481,7 +476,6 @@ public List<RestHandler> getRestHandlers(Settings settings, RestController restC
                         Objects.requireNonNull(cs), Objects.requireNonNull(adminDns), Objects.requireNonNull(cr)));
                 handlers.add(new SecurityConfigUpdateAction(settings, restController, Objects.requireNonNull(threadPool), adminDns, configPath, principalExtractor));
                 handlers.add(new SecurityWhoAmIAction(settings, restController, Objects.requireNonNull(threadPool), adminDns, configPath, principalExtractor));
-                handlers.add(new TenancyConfigRestHandler());
                 handlers.addAll(
                         SecurityRestApiActions.getHandler(
                                 settings,
@@ -519,10 +513,6 @@ public UnaryOperator<RestHandler> getRestHandlerWrapper(final ThreadContext thre
         if(!disabled && !SSLConfig.isSslOnlyMode()) {
             actions.add(new ActionHandler<>(ConfigUpdateAction.INSTANCE, TransportConfigUpdateAction.class));
             actions.add(new ActionHandler<>(WhoAmIAction.INSTANCE, TransportWhoAmIAction.class));
-
-            actions.add(new ActionHandler<>(TenancyConfigRetrieveActions.INSTANCE, TenancyConfigRetrieveTransportAction.class));
-            actions.add(new ActionHandler<>(TenancyConfigUpdateAction.INSTANCE, TenancyConfigUpdateTransportAction.class));
-
         }
         return actions;
     }