Update duckdb index files

similes-dataset/dataset/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1e404fa95a85967905ae182e118a6429fa216726239d77cc4c23a57b48f75d6c
+oid sha256:b319c9ec042e4bbe62b1cb4314bd24d481a02870d5997f0d445d83d014ca825d
 size 1585152

similes-dataset/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:50c824a34aef967bfd8bd5cf42d122900938f244256f6478cb3f1b89530c7c6f
-size 1585152