Delete old duckdb index files

default/external_en/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:727b60ba561318c0ca3925b20e459040a7080711f3d54ac3d14121cc66522abe
-size 176697344

default/external_pt/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9c8e1179a695280389a0028e6f7c1ea683833e2c94eff815961130fbd1ece37e
-size 186658816

default/test_en/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ac1fdbc0b32fe419bad171324ccf33fd317ec7b647e5e969a814e26eed6c8391
-size 22556672

default/test_pt/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e5d42b2160d6362a6038e6d603e8a26ed7920b212de92b7305ae6569083497c7
-size 16265216

default/train_en/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:65f28b912f9763f73faa955b3c3a07c0de682eb28e7dbe4ad54286518bfbd4e4
-size 96743424

default/train_pt/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d2a57d647e927b06bf977af9832a731e1b52b59c8cc2f4a53716beeadaa9f9cd
-size 61353984

default/validation_en/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c69dde5eeb94493f04e4a20068b3a332363e25c4af8aaea856e53a9c254b1b9c
-size 25178112

default/validation_pt/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:64bd2fe697500fb37c02119dae40898f87ebdd04deb387eebd2039593fe94fbf
-size 17051648