Delete old duckdb index files

qrels.dev/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:05cfbba29814f9ed22075c5eee94c56cddba4d1229e2ca8244b33d1025f851a3
-size 2371584

qrels.retrieval.dev/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fcb7751876bac4a1ac93857e750dd0e3a1ed5658547756d42c9536a7ae2b995e
-size 1323008

qrels.retrieval.train/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1d4c762d1c3541e97ef62e16f10995c1f1442fe412befd256a3ae9bd5cb26e21
-size 3420160

qrels.train/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1db7cfe1bc93a52f0b8dfe7f4ded7e768e598043f397a7091de6e9fc70a5009b
-size 6303744

queries.dev/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:95bda54f0e18325fc7436b9fd305cb359bebec7ee00023c7311337f908328439
-size 1847296

queries.test/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:120169fbd04ab3aa6fc4a611372f954a997359bcb77f0ca01d47586d95222df5
-size 2109440

queries.train/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e3057e8341984052cce2a8f9acf7898e18936b590a3697f05f666ad381cfea95
-size 8400896