Delete old duckdb index files

arithmetic_1dc/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:04cc87bb21ca81cb34f87a98f9c8592d39a77927135415d7a1b5ac448f558332
-size 1323008

arithmetic_2da/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e8b71199529f9807a7e8aee0c5f561b9210b086269c0dbfe64d11f7e70c6bcd8
-size 1323008

arithmetic_2dm/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9f3b8caf6c87654a96ffd10f6d7b3fc725813664293cbbc15188c0e6ed3351cd
-size 1323008

arithmetic_2ds/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7b2f9adb737a7cf0446a06a62948a0596e1eef34bb04e51063b1b40f0fb5e2b7
-size 1323008

arithmetic_3da/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:562c68b4392958c050e1eb16d58e5fb5f76a038aae81dfabaa08dafcb9aa650b
-size 1323008

arithmetic_3ds/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:17b23bdcc0fdb6bf19a132fcac4bfac018fe331395b48b2714d7fa29b0f7c399
-size 1323008

arithmetic_4da/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:594754b154c49061786ac5242114fce9dd9bd6eb5f66167c2571ec5c583dba8f
-size 1323008

arithmetic_4ds/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:051aa3db43ed761a30ea92223f72b5280c2ae5d20c8c8771539f58f2a84b7ca7
-size 1323008

arithmetic_5da/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2579d69f1857215e92a04c833bf5c8beeb0784cbe57b917907b474f07e8ded75
-size 1323008

arithmetic_5ds/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5338b10aacdc9ddcc7ef5d873db8e8db26895e972285740eca82345a6f3fbe23
-size 1323008