bump copyright, remove unused import

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/web/Util.java

@@ -18,7 +18,7 @@
  */
 
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2023, Oracle and/or its affiliates. All rights reserved.
  * Portions Copyright (c) 2011, Jens Elkner.
  * Portions Copyright (c) 2017, 2020, Chris Fraire <cfraire@me.com>.
  * Portions Copyright (c) 2019, Krystof Tulinger <k.tulinger@seznam.cz>.
@@ -64,7 +64,6 @@
 import org.apache.lucene.queryparser.classic.QueryParser;
 import org.opengrok.indexer.configuration.RuntimeEnvironment;
 import org.opengrok.indexer.history.Annotation;
-import org.opengrok.indexer.history.HistoryException;
 import org.opengrok.indexer.history.HistoryGuru;
 import org.opengrok.indexer.logger.LoggerFactory;