Align `queries` schema with the q2c chunk-retrieval benchmark family (drop stray `topic` column) (#2)

- Fix queries schema: drop stray `topic` column so load_dataset works (45462f3d7f782a798bb5de5d491c68f042d6fb1e)


Co-authored-by: Sarah <seslami-pplx@users.noreply.huggingface.co>

queries/test-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4baee289386fa6f6d422d22673f483cf9ddbd52dcff964dc8c25bcbf91991241
-size 30252166
+oid sha256:7b3dc696494372c274dcaeba85c6d72f1956b21e6ada0dd5e819d9977d966915
+size 11362372