Update TieredMessageStoreTest.java

Author: GabrielDUX

tieredstore/src/test/java/org/apache/rocketmq/tieredstore/TieredMessageStoreTest.java

@@ -62,7 +62,6 @@
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.when;
 
 public class TieredMessageStoreTest {