Update duckdb index files

jaehy12--news2/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a2ee3c167b290a960544c29081435fcd276993105563a074890a1d5d390c87ce
-size 49819648
+oid sha256:0a33aa5f28c7ae68ebb1bbcfc2f8b22eb77c230cb84dbe32866d1b89d238afec
+size 48771072