Delete old duckdb index files

labeled_final/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8d8df2d2b20d22ed8270b39f59b32444e097822810c9c218e7d41354bb6906b0
-size 3420160

labeled_final/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5e3e3dd0638a85e31c5742dc5e6f751c224da0fe436d8101c79d532c894f3736
-size 19673088

labeled_final/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ece9e48139a3efc8a4b1bdb297b83904eda5c7015f5d489e2a07c519746b7981
-size 3944448

labeled_swap/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6d0da1ce4bc0cd9ceccf1fcaeef1d71af0f1d3f34fbef74f4f0932f2606691c8
-size 10760192

unlabeled_final/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2f337805ec877378f603b40bcff360c25e41c5f8a5eedfe90eccf02677c7639b
-size 196358144

unlabeled_final/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8334442f59261fc41b5e37af3c40a7b0cbda65c3087c1e53ee19661e051530fa
-size 4206592