ISSUE-199 upgrade OpenSAML to 5.1.4

remove unused class

pom.xml

@@ -19,7 +19,7 @@
 		<org.wildfly.version>35.0.1.Final</org.wildfly.version>
 		<org.drools.version>10.0.0</org.drools.version>
 		<javax.javaee.version>10.0.0</javax.javaee.version>
-		<org.opensaml.version>5.0.0</org.opensaml.version>
+		<org.opensaml.version>5.1.4</org.opensaml.version>
 		<org.apache.velocity>2.4.1</org.apache.velocity>
 		<vt-ldap.version>3.3.9</vt-ldap.version>
 		<org.slf4j.version>1.7.2</org.slf4j.version>

regapp-saml/src/main/java/edu/kit/scc/webreg/service/saml/HttpSignableSoapClient.java

-/*******************************************************************************
- * Copyright (c) 2014 Michael Simon.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the GNU Public License v3.0
- * which accompanies this distribution, and is available at
- * http://www.gnu.org/licenses/gpl.html
- * 
- * Contributors:
- *     Michael Simon - initial
- ******************************************************************************/
-package edu.kit.scc.webreg.service.saml;
-
-import java.io.Serializable;
-
-import org.apache.hc.client5.http.classic.HttpClient;
-import org.opensaml.soap.client.http.HttpSOAPClient;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import net.shibboleth.shared.xml.ParserPool;
-
-public class HttpSignableSoapClient extends HttpSOAPClient implements Serializable {
-
-	private static final long serialVersionUID = 1L;
-
-	private static Logger logger = LoggerFactory.getLogger(HttpSignableSoapClient.class);
-	
-    public HttpSignableSoapClient(HttpClient client, ParserPool parser) {
-		super();
-		setHttpClient(client);
-		setParserPool(parser);
-	}
- 
-//    @Override
-//	protected RequestEntity createRequestEntity(Envelope message, Charset charset) throws SOAPClientException {
-//        try {
-//            Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(message);
-//            ByteArrayOutputStream arrayOut = new ByteArrayOutputStream();
-//
-//            Element element = marshaller.marshall(message);
-//            try {
-//				Signer.signObject(signature);
-//			} catch (SignatureException e) {
-//				throw new SOAPClientException(e);
-//			}
-//            
-//            if (logger.isDebugEnabled()) {
-//                logger.debug("Outbound SOAP message is:\n" + SerializeSupport.prettyPrintXML(element));
-//            }
-//            SerializeSupport.writeNode(element, arrayOut);
-//            return new ByteArrayRequestEntity(arrayOut.toByteArray(), "text/xml");
-//        } catch (MarshallingException e) {
-//            throw new SOAPClientException("Unable to marshall SOAP envelope", e);
-//        }
-//    }	
-}