Java V2 fixed a tag issue in the YAML file for Step Functions (#7414)

fixed a tag issue in the YAML file

Author: scmacdon

.doc_gen/metadata/sfn_metadata.yaml

@@ -437,7 +437,6 @@ sfn_GetActivityTask:
             - description:
               snippet_tags:
                 - stepfunctions.java2.activity_task.main
-                - StepFunctions.dotnetv3.StopExecution
     Python:
       versions:
         - sdk_version: 3

javav2/example_code/stepfunctions/src/main/java/com/example/stepfunctions/StepFunctionsScenario.java renamed to javav2/example_code/stepfunctions/src/main/java/com/example/stepfunctions/scenario/StepFunctionsScenario.java

@@ -1,7 +1,7 @@
 // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
-package com.example.stepfunctions;
+package com.example.stepfunctions.scenario;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -30,9 +30,7 @@
 import software.amazon.awssdk.services.sfn.model.StartExecutionResponse;
 import software.amazon.awssdk.services.sfn.model.StateMachineType;
 
-import java.io.File;
 import java.io.FileInputStream;
-import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;