apply spot less

Signed-off-by: xinyual <xinyual@amazon.com>

Author: xinyual

plugin/src/main/java/org/opensearch/ml/action/models/DeleteModelTransportAction.java

@@ -13,7 +13,6 @@
 import static org.opensearch.ml.common.MLModel.IS_HIDDEN_FIELD;
 import static org.opensearch.ml.common.MLModel.MODEL_ID_FIELD;
 import static org.opensearch.ml.common.utils.StringUtils.getErrorMessage;
-import static org.opensearch.ml.settings.MLCommonsSettings.ML_COMMONS_ALLOW_MODEL_URL;
 import static org.opensearch.ml.settings.MLCommonsSettings.ML_COMMONS_SAFE_DELETE_MODEL;
 import static org.opensearch.ml.utils.MLNodeUtils.createXContentParserFromRegistry;
 import static org.opensearch.ml.utils.RestActionUtils.getFetchSourceContext;
@@ -164,8 +163,7 @@ protected void doExecute(Task task, ActionRequest request, ActionListener<Delete
                                 if (isModelNotDeployed(mlModelState)) {
                                     if (isSafeDelete) {
                                         checkDownstreamTaskBeforeDeleteModel(modelId, isHidden, actionListener);
-                                    }
-                                    else {
+                                    } else {
                                         deleteModel(modelId, isHidden, actionListener);
                                     }
                                 } else {
@@ -192,8 +190,7 @@ protected void doExecute(Task task, ActionRequest request, ActionListener<Delete
                                     } else if (isModelNotDeployed(mlModelState)) {
                                         if (isSafeDelete) {
                                             checkDownstreamTaskBeforeDeleteModel(modelId, isHidden, actionListener);
-                                        }
-                                        else {
+                                        } else {
                                             deleteModel(modelId, isHidden, actionListener);
                                         }
                                     } else {

plugin/src/main/java/org/opensearch/ml/plugin/MachineLearningPlugin.java

@@ -981,7 +981,7 @@ public List<Setting<?>> getSettings() {
                 MLCommonsSettings.ML_COMMONS_MAX_BATCH_INFERENCE_TASKS,
                 MLCommonsSettings.ML_COMMONS_MAX_BATCH_INGESTION_TASKS,
                 MLCommonsSettings.ML_COMMONS_BATCH_INGESTION_BULK_SIZE,
-                    MLCommonsSettings.ML_COMMONS_SAFE_DELETE_MODEL
+                MLCommonsSettings.ML_COMMONS_SAFE_DELETE_MODEL
             );
         return settings;
     }

plugin/src/main/java/org/opensearch/ml/settings/MLCommonsSettings.java

@@ -265,5 +265,5 @@ private MLCommonsSettings() {}
         .boolSetting("plugins.ml_commons.controller_enabled", true, Setting.Property.NodeScope, Setting.Property.Dynamic);
 
     public static final Setting<Boolean> ML_COMMONS_SAFE_DELETE_MODEL = Setting
-            .boolSetting("plugins.ml_commons.safe_delete_model", true, Setting.Property.NodeScope, Setting.Property.Dynamic);
+        .boolSetting("plugins.ml_commons.safe_delete_model", true, Setting.Property.NodeScope, Setting.Property.Dynamic);
 }

plugin/src/test/java/org/opensearch/ml/action/models/DeleteModelTransportActionTests.java

@@ -20,7 +20,6 @@
 import static org.opensearch.ml.action.models.DeleteModelTransportAction.TIMEOUT_MSG;
 import static org.opensearch.ml.common.CommonValue.ML_MODEL_INDEX;
 import static org.opensearch.ml.settings.MLCommonsSettings.*;
-import static org.opensearch.ml.settings.MLCommonsSettings.ML_COMMONS_TRUSTED_CONNECTOR_ENDPOINTS_REGEX;
 import static org.opensearch.ml.utils.TestHelper.clusterSetting;
 
 import java.io.IOException;
@@ -67,7 +66,6 @@
 import org.opensearch.index.reindex.BulkByScrollResponse;
 import org.opensearch.index.reindex.DeleteByQueryAction;
 import org.opensearch.index.reindex.ScrollableHitSource;
-import org.opensearch.ml.action.register.TransportRegisterModelAction;
 import org.opensearch.ml.common.FunctionName;
 import org.opensearch.ml.common.MLModel;
 import org.opensearch.ml.common.agent.MLAgent;
@@ -150,15 +148,9 @@ public void setup() throws IOException {
 
         mlModelDeleteRequest = MLModelDeleteRequest.builder().modelId("test_id").build();
 
-        Settings settings = Settings
-                .builder()
-                .put(ML_COMMONS_SAFE_DELETE_MODEL.getKey(), true)
-                .build();
+        Settings settings = Settings.builder().put(ML_COMMONS_SAFE_DELETE_MODEL.getKey(), true).build();
         threadContext = new ThreadContext(settings);
-        ClusterSettings clusterSettings = clusterSetting(
-                settings,
-                ML_COMMONS_SAFE_DELETE_MODEL
-        );
+        ClusterSettings clusterSettings = clusterSetting(settings, ML_COMMONS_SAFE_DELETE_MODEL);
         when(clusterService.getClusterSettings()).thenReturn(clusterSettings);
         when(clusterService.getSettings()).thenReturn(settings);
         deleteModelTransportAction = spy(