Unused import

Signed-off-by: Finn Carroll <carrofin@amazon.com>

Author: finnegancarroll

src/integrationTest/java/org/opensearch/security/grpc/GrpcClientAuthOptionalTests.java

@@ -14,13 +14,10 @@
 import org.junit.ClassRule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.opensearch.protobufs.BulkResponse;
-import org.opensearch.protobufs.SearchResponse;
 import org.opensearch.test.framework.cluster.LocalCluster;
 
 import java.io.IOException;
 
-import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThrows;
 import static org.opensearch.security.grpc.GrpcClientAuthNoneTests.assertBulkAndSearchTestIndex;