Update duckdb index files

default/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3a1eaea5c838543ae20ffb78d1d910a9ff43f16425b833671c88c05849089b30
-size 18886656
+oid sha256:e96925699fb9c35638610c8cd2e99690f60b3c48905ebfeeeaf7aac22acd85fc
+size 10760192