Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:480f3f8fcebe30d32f8020f46f1b8ca0098fe36b741689cc1b75b6e0a2cd4d8a
-size 10498048
+oid sha256:c74e5e900c1ef137cb257571535281a262b2eb9d57d66bef442548d8c6db4764
+size 9187328