hbase empty family scan error (#239)

* hbase tablename bug fix

* hbase empty family scan error

Author: stuBirdFly

src/main/java/com/alipay/oceanbase/rpc/ObTableClient.java

@@ -3147,8 +3147,6 @@ public ObPayload execute(final ObTableAbstractOperationRequest request) throws E
         } else if (request instanceof ObTableQueryAsyncRequest) {
             // TableGroup -> TableName
             String tableName = request.getTableName();
-            tableName = getPhyTableNameFromTableGroup(
-                ((ObTableQueryAsyncRequest) request).getObTableQueryRequest(), tableName);
             ObTableClientQueryImpl tableQuery = new ObTableClientQueryImpl(tableName,
                 ((ObTableQueryAsyncRequest) request).getObTableQueryRequest().getTableQuery(), this);
             tableQuery.setEntityType(request.getEntityType());