Remove unused test imports

Author: driftx

test/unit/org/apache/cassandra/io/sstable/format/SortedTableVerifierTest.java

@@ -21,7 +21,6 @@
 import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.lang.reflect.Method;
-import java.util.Collections;
 
 import org.junit.Before;
 import org.junit.BeforeClass;
@@ -30,7 +29,6 @@
 import org.apache.cassandra.SchemaLoader;
 import org.apache.cassandra.db.ColumnFamilyStore;
 import org.apache.cassandra.db.Keyspace;
-import org.apache.cassandra.db.compaction.CompactionManager;
 import org.apache.cassandra.index.SecondaryIndexManager;
 import org.apache.cassandra.io.sstable.CorruptSSTableException;
 import org.apache.cassandra.io.sstable.IVerifier;
@@ -41,8 +39,6 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.doThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;