fix style and unused imports

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/index/IndexDatabase.java

@@ -55,16 +55,12 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
 import java.util.zip.GZIPOutputStream;
 
-import jakarta.ws.rs.client.ClientBuilder;
-import jakarta.ws.rs.client.Entity;
-import jakarta.ws.rs.core.Response;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
 import org.apache.lucene.document.DateTools;
@@ -125,9 +121,6 @@
 import org.opengrok.indexer.util.TandemPath;
 import org.opengrok.indexer.web.Util;
 
-import static org.opengrok.indexer.index.IndexerUtil.getWebAppHeaders;
-import static org.opengrok.indexer.web.ApiUtils.waitForAsyncApi;
-
 /**
  * This class is used to create / update the index databases. Currently, we use
  * one index database per project.

opengrok-indexer/src/main/java/org/opengrok/indexer/index/IndexerUtil.java

@@ -156,7 +156,7 @@ public static Collection<String> getProjects(String webappUri) {
                     .path("projects")
                     .request(MediaType.APPLICATION_JSON)
                     .headers(getWebAppHeaders());
-            return request.get(new GenericType<List<String>>(){});
+            return request.get(new GenericType<List<String>>() { } );
         }
     }
 }

opengrok-web/src/main/java/org/opengrok/web/api/v1/controller/ProjectsController.java

@@ -52,7 +52,6 @@
 import jakarta.ws.rs.Path;
 import jakarta.ws.rs.PathParam;
 import jakarta.ws.rs.Produces;
-import jakarta.ws.rs.WebApplicationException;
 import jakarta.ws.rs.core.Context;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;