Remove unused fields and imports

Change-Id: Icb0e53ed202c8f6fe3213e846313a63a693ec030
diff --git a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java
index 5480001..e72d598 100644
--- a/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java
+++ b/src/test/java/com/googlesource/gerrit/modules/cache/chroniclemap/MigrateH2CachesInMemoryIT.java
@@ -23,8 +23,6 @@
 import com.google.gerrit.acceptance.RestResponse;
 import com.google.gerrit.acceptance.RestSession;
 import com.google.gerrit.acceptance.TestPlugin;
-import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.inject.Inject;
 import java.io.IOException;
 import org.apache.http.message.BasicHeader;
 import org.junit.Test;
@@ -35,8 +33,6 @@
 public class MigrateH2CachesInMemoryIT extends LightweightPluginDaemonTest {
   private static final String MIGRATION_ENDPOINT = "/plugins/cache-chroniclemap/migrate";
 
-  @Inject protected GitRepositoryManager repoManager;
-
   @Test
   public void shouldReturnTexPlain() throws Exception {
     RestResponse result = runMigration(adminRestSession);