Addedd suppresswarnings to some of the unused fields and methods

These methods are likely to be used later or in actual implementations, so
the removal is not preferred at the moment

RISE-V2G-SECC/src/main/java/com/v2gclarity/risev2g/secc/evseController/DummyACEVSEController.java

@@ -39,6 +39,7 @@ import com.v2gclarity.risev2g.shared.v2gMessages.msgDef.UnitSymbolType;
 
 public class DummyACEVSEController implements IACEVSEController {
 
+	@SuppressWarnings("unused")
 	private V2GCommunicationSessionSECC commSessionContext;
 	
 	public DummyACEVSEController(V2GCommunicationSessionSECC commSessionContext) {

RISE-V2G-SECC/src/main/java/com/v2gclarity/risev2g/secc/evseController/DummyDCEVSEController.java

@@ -43,8 +43,11 @@ public class DummyDCEVSEController implements IDCEVSEController {
 	private V2GCommunicationSessionSECC commSessionContext;
 	private PhysicalValueType targetCurrent;
 	private PhysicalValueType targetVoltage;
+	@SuppressWarnings("unused")
 	private PhysicalValueType maximumEVVoltageLimit;
+	@SuppressWarnings("unused")
 	private PhysicalValueType maximumEVCurrentLimit;
+	@SuppressWarnings("unused")
 	private PhysicalValueType maximumEVPowerLimit;
 	private IsolationLevelType isolationLevel;
 	

RISE-V2G-Shared/src/main/java/com/v2gclarity/risev2g/shared/exiCodec/EXIficientCodec.java

@@ -222,6 +222,7 @@ public final class EXIficientCodec extends ExiCodec {
 		this.exiFactory = exiFactory;
 	}
 
+	@SuppressWarnings("unused")
 	private GrammarFactory getGrammarFactory() {
 		return grammarFactory;
 	}

RISE-V2G-Shared/src/main/java/com/v2gclarity/risev2g/shared/exiCodec/OpenEXICodec.java

@@ -246,6 +246,7 @@ public final class OpenEXICodec extends ExiCodec {
 		this.exiSchemaFactory = exiSchemaFactory;
 	}
 
+	@SuppressWarnings("unused")
 	private InputStream getSchemaMsgDefIS() {
 		return schemaMsgDefIS;
 	}