remove unused import

Author: Vladimir Kotal

opengrok-web/src/test/java/org/opengrok/web/api/v1/controller/ProjectsControllerTest.java

@@ -42,7 +42,6 @@
 import org.opengrok.indexer.configuration.RuntimeEnvironment;
 import org.opengrok.indexer.history.HistoryGuru;
 import org.opengrok.indexer.history.MercurialRepositoryTest;
-import org.opengrok.indexer.history.Repository;
 import org.opengrok.indexer.history.RepositoryFactory;
 import org.opengrok.indexer.history.RepositoryInfo;
 import org.opengrok.indexer.index.IndexDatabase;