remove unused import

Author: vladak

opengrok-indexer/src/test/java/org/opengrok/indexer/web/UtilTest.java

@@ -52,7 +52,6 @@
 import org.opengrok.indexer.configuration.RuntimeEnvironment;
 import org.opengrok.indexer.history.Annotation;
 import org.opengrok.indexer.history.AnnotationData;
-import org.opengrok.indexer.history.AnnotationLine;
 import org.opengrok.indexer.history.HistoryGuru;
 import org.opengrok.indexer.index.Indexer;
 import org.opengrok.indexer.util.TestRepository;