Delete old duckdb index files

lhasa-wylie/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bc69e607f046365868282ad4a0c13a11d2de40675526f28c8a5474b0d78ee069
-size 63188992

lhasa-wylie/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ae7fb857a97d80827f933bf57a76ae091194fe8f2b1f588b9b776677ddd62e66
-size 491008000

lhasa-wylie/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:43c1e5bd78b9905705455691f52a1f7c20a34bc4223be3b70ede7d35478d1a2f
-size 64237568

lhasa/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0220645177fd0cf4b82b36bf130c17c74e187afbcd50da86d377723a56fbad02
-size 63188992

lhasa/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c4b25d477d1be8585b334043519e62a3c1d9fa2d6a3c3391beb96bf3dccb680d
-size 491008000

lhasa/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a32ef4e2370d2a091946b6cd6f35f3d0b9cb4aebdef4938eab3d3e60bda977d9
-size 64237568