Delete useless main class
diff --git a/taverna-scufl2-cwl/src/main/java/org/apache/taverna/scufl2/cwl/Main.java b/taverna-scufl2-cwl/src/main/java/org/apache/taverna/scufl2/cwl/Main.java
deleted file mode 100644
index e5f7159..0000000
--- a/taverna-scufl2-cwl/src/main/java/org/apache/taverna/scufl2/cwl/Main.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.taverna.scufl2.cwl;
-
-import org.yaml.snakeyaml.Yaml;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-
-public class Main {
-
-    private static final String HELLO_WORLD_CWL = "/hello_world.cwl";
-    private static final String WORKFLOW_WITH_COMMAND = "/workflow_with_command.cwl";
-    private static JsonNode cwlFile;
-
-    public static void main(String[] args) {
-
-        Yaml reader = new Yaml();
-        ObjectMapper mapper = new ObjectMapper();
-        cwlFile = mapper.valueToTree(reader.load(Main.class.getResourceAsStream(WORKFLOW_WITH_COMMAND)));
-        System.out.println(cwlFile);
-
-        Process workflow = ProcessFactory.createProcess(cwlFile);
-        workflow.parse();
-        Converter converter = new Converter();
-        JsonNode node = converter.convertWorkflowProcessToJsonNode((WorkflowProcess) workflow);
-        printAsYaml(node);
-    }
-
-    private static void printAsYaml(JsonNode node) {
-        try {
-            String yaml = new YAMLMapper().writeValueAsString(node);
-            System.out.println("YAML DATA");
-            System.out.println(yaml);
-        } catch (JsonProcessingException e) {
-            System.err.println("Error writing JsonNode to YAML");
-        }
-    }
-}
\ No newline at end of file