HHH-14727 Minor code cleanup in StandardSQLExceptionConverter

Author: Sanne

hibernate-core/src/main/java/org/hibernate/exception/internal/StandardSQLExceptionConverter.java

@@ -19,21 +19,14 @@
  * @author Steve Ebersole
  */
 public class StandardSQLExceptionConverter implements SQLExceptionConverter {
-	private ArrayList<SQLExceptionConversionDelegate> delegates = new ArrayList<SQLExceptionConversionDelegate>();
 
-	public StandardSQLExceptionConverter() {
-	}
+	private final ArrayList<SQLExceptionConversionDelegate> delegates = new ArrayList<SQLExceptionConversionDelegate>(4);
 
-	public StandardSQLExceptionConverter(SQLExceptionConversionDelegate... delegates) {
-		if ( delegates != null ) {
-			this.delegates.addAll( Arrays.asList( delegates ) );
-		}
+	public StandardSQLExceptionConverter() {
 	}
 
 	public void addDelegate(SQLExceptionConversionDelegate delegate) {
-		if ( delegate != null ) {
-			this.delegates.add( delegate );
-		}
+		this.delegates.add( delegate );
 	}
 
 	@Override