Delete old duckdb index files

extraction/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:90de301e0eb9039fee3debeec6ae74eda89df9524e4a422cffdaf482d1fca76b
-size 1060864

extraction/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:da72b82eeae692db2bea6fe577fd986ece2a8261a9b84da81a3dab99cf24439c
-size 1323008

extraction/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:678e2f557d635ebb5e5570ec879b9c9af53f507726a0a68e3c4f7b70b00941eb
-size 1060864

generation/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:358ea42bef5a2a077a674b3e198847f10f21b039427973a6d895b88c392be745
-size 1060864

generation/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fabee2987516c7663952f5c3c4e5f92be10327346cda0c5a50d7dc5870c54670
-size 1585152

generation/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:624270b4fd8ac43044a5dae0cb7ed0abf44efc1deb3c9936d5e879e6330b9808
-size 1060864

raw/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:604a49a7831fe6ca317b9d6fae9865bf78738bff4a763f11279acfdea6aa93fe
-size 1060864

raw/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:455448552cd9e9cc0e3e6829cb89076784d122c191cb4ad8acf0d980701552b2
-size 1585152

raw/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3a7d542d31e117f065fb30e076807e388f06d77b7101ef8a5d19c23564f1a163
-size 1060864