Delete old duckdb index files

extraction/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b008eb05aff4ba2340f57ef025b687eb7b46896a45c060eb83152841eb249c1b
-size 1323008

extraction/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:22d01b0346922f79c003b611a8d93aab9e4cbdfe5bba4ce0bada986f352d8cfd
-size 1847296

extraction/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3e05a01ee8e7ac3220b9d4da6cb11c188ea131ae8e89fc297dffb52712bbf622
-size 1323008

generation/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:30f6b0d190024ebdc5c7edf24014a077fb41a38e9550fb23ad5986813a187d06
-size 1323008

generation/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:99081235437836edc59def46120e0cb38cf0a540c0367fdc57a112eabda89bc2
-size 1847296

generation/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fe2a038ce87ffa38ff73190ae04310caaad2fc54fbd4cef54a78c667dfd66722
-size 1323008

raw/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b145c9e3b030addb330ebab951baca030941578d114428c0c3a317812924c6e9
-size 1585152

raw/train/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a2a0106ee5e93d82be5b79228723e95713c504c0959ad71d46eb46850a04f77e
-size 1847296

raw/validation/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:76800832485447fc5472f6af5425289041aed0c5274a043f4d9f6bd771fbb765
-size 1585152