remove unused imports

Author: Vladimir Kotal

opengrok-indexer/src/main/java/org/opengrok/indexer/history/GitRepository.java

@@ -76,10 +76,7 @@
 import org.eclipse.jgit.treewalk.AbstractTreeIterator;
 import org.eclipse.jgit.treewalk.CanonicalTreeParser;
 import org.eclipse.jgit.treewalk.TreeWalk;
-import org.eclipse.jgit.treewalk.filter.AndTreeFilter;
 import org.eclipse.jgit.treewalk.filter.PathFilter;
-import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
-import org.eclipse.jgit.treewalk.filter.TreeFilter;
 import org.eclipse.jgit.util.io.CountingOutputStream;
 import org.eclipse.jgit.util.io.NullOutputStream;
 import org.jetbrains.annotations.NotNull;

opengrok-indexer/src/test/java/org/opengrok/indexer/history/GitRepositoryTest.java

@@ -27,7 +27,6 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.lang.reflect.InvocationTargetException;
 import java.nio.file.Paths;
 import java.text.ParseException;
 import java.util.Arrays;
@@ -55,7 +54,6 @@
 import org.opengrok.indexer.configuration.CommandTimeoutType;
 import org.opengrok.indexer.configuration.RuntimeEnvironment;
 import org.opengrok.indexer.util.FileUtilities;
-import org.opengrok.indexer.util.ForbiddenSymlinkException;
 import org.opengrok.indexer.util.TestRepository;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;