Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:26e6c0bbfd3da400d5fdad5590ba964a34d3bac10dde7294f638f354db80871b
-size 37761024
+oid sha256:c288a88c9dfe2fa244c04e49d2c0da56e042d2e2959bfdcacad5131fed2b89ef
+size 16789504