Delete old duckdb index files

pairs/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3a9a51bf23c63e89f6bbfa3b01f6a722da17f865a1a686fa6d5ff8167b018ebc
-size 1060864

pairs/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1f5d842f72e2dfa4dd12db99f96aac9031114fc040ce9d3167a471b55b84b14a
-size 1060864

pairs/valid/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5cb4cd573fb57b6397147e96173613c862838ac1a9ed2ab8a14f16a842a6dfe2
-size 1060864

source/LaBSE_emb/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b58f7aee4f71f304a83904ba0091c8886136a0e9f3d3fac04a80fd699bdbd9a1
-size 770453504

source/ent_ids/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:eb702911e9dfabe5042ff713be714519b653e7fd0bf3017567dddefd7e4d01b0
-size 6303744

source/rel_triples_id/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4ca6335873bc80e951daecf96d27d27c0858d539dd4472fa903fb7daa9413eb1
-size 5779456

target/LaBSE_emb/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b86fc20515cfd9c130f1dcfe5de7c54f3dfbe0d6491c422e289247ebc85a12e2
-size 770453504

target/ent_ids/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:79cf22e05484891a6cb205c254d0d992b02e5c94fdcc23f2003a3abac4222bf1
-size 5779456

target/rel_triples_id/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:eca045489329577b64fbf7c73881f8e18e00c6855cbf00cb7ed1e96ce258de03
-size 5779456