remove useless assert

Author: JackShi148

src/main/java/com/alipay/oceanbase/rpc/table/ObTableClientBatchOpsImpl.java

@@ -391,7 +391,6 @@ public void partitionExecute(ObTableOperationResult[] results,
             } catch (Exception ex) {
                 if (obTableClient.isOdpMode()) {
                     if ((tryTimes - 1) < obTableClient.getRuntimeRetryTimes()) {
-                        assert ex instanceof ObTableException;
                         logger
                             .warn(
                                 "batch ops execute while meet Exception, tablename:{}, errorMsg: {}, try times {}",