fixed sample requests for the restructured material

src/routes/sample.ts

@@ -22,7 +22,6 @@ import csv from '../helpers/csv';
 const router = express.Router();
 
 // TODO: check added filter
-// TODO: return total number of pages -> use facet
 // TODO: use query pointer
 // TODO: convert filter value to number according to table model
 // TODO: validation for filter parameters