[bug](analytic) fix duplicate add _num_rows_returned issue (#47366)

### What problem does this PR solve?
Problem Summary:
the _num_rows_returned have been add twice
introduced by #46181,
and only in master.

be/src/pipeline/exec/analytic_source_operator.cpp

@@ -81,7 +81,6 @@ Status AnalyticSourceOperatorX::get_block(RuntimeState* state, vectorized::Block
     local_state.reached_limit(output_block, eos);
     if (!output_block->empty()) {
         auto return_rows = output_block->rows();
-        local_state._num_rows_returned += return_rows;
         COUNTER_UPDATE(local_state._filtered_rows_counter, output_rows - return_rows);
     }
     return Status::OK();

regression-test/suites/query_p0/sql_functions/window_functions/test_column_boundary.groovy

@@ -20,7 +20,7 @@ suite("test_column_boundary") {
     sql """
         CREATE TABLE IF NOT EXISTS test_column_boundary (
             u_id int NULL COMMENT "",
-            u_city varchar(20) NULL COMMENT ""
+            u_city varchar(40) NULL COMMENT ""
         ) ENGINE=OLAP
         DUPLICATE KEY(`u_id`, `u_city`)
         DISTRIBUTED BY HASH(`u_id`, `u_city`) BUCKETS 1