Update StatisticExecutor.java

Signed-off-by: stdpain <34912776+stdpain@users.noreply.github.com>

Author: stdpain

fe/fe-core/src/main/java/com/starrocks/statistic/StatisticExecutor.java

@@ -19,7 +19,6 @@
 import com.starrocks.catalog.Column;
 import com.starrocks.catalog.Database;
 import com.starrocks.catalog.InternalCatalog;
-import com.starrocks.catalog.OlapTable;
 import com.starrocks.catalog.PhysicalPartition;
 import com.starrocks.catalog.Table;
 import com.starrocks.common.Pair;
@@ -154,7 +153,6 @@ public static Pair<List<TStatisticData>, Status> queryDictSync(Long dbId, Long t
                     table.getName());
         }
 
-        OlapTable olapTable = (OlapTable) table;
         long version = table.getPartitions().stream().flatMap(p -> p.getSubPartitions().stream()).map(
                 PhysicalPartition::getVisibleVersionTime).max(Long::compareTo).orElse(0L);
         String catalogName = InternalCatalog.DEFAULT_INTERNAL_CATALOG_NAME;