message: fix(viz): remove orderby from sample request
diff: @@ -246,6 +246,7 @@ class BaseViz:
  {
  "groupby": [],
  "metrics": [],
  + "orderby": [],
  "row_limit": config["SAMPLES_ROW_LIMIT"],
  "columns": [o.column_name for o in self.datasource.columns],
  }
  