Remove unused imports

Signed-off-by: Tomas Longo <tlongo@sternad.de>

Author: TomasLongo

e2e-test/log/src/integrationTest/java/org/opensearch/dataprepper/integration/log/EndToEndOtelLogsSourceGrpcTest.java

@@ -5,7 +5,6 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;

e2e-test/log/src/integrationTest/java/org/opensearch/dataprepper/integration/log/EndToEndOtelLogsSourceTest.java

@@ -17,7 +17,6 @@
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
 import org.junit.Test;
 import org.opensearch.action.admin.indices.refresh.RefreshRequest;