Delete old duckdb index files

fisheye/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:dd83cee76973347f7f3acac13ba47a1b00eca85adb3d3a04cc580dcf5eb24794
-size 445394944

netherlands_day/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1f4b53baf624a5a12d889414da4f9bece06e2b7aa703a75cbe6a8d519a1777e3
-size 1058549760

netherlands_night/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9aabce8a3ee927c2df2a417b272995fcb112464ee3c5f1010da83990a1e2c9ed
-size 472920064

paris/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:48989e8057cfefc991bd95b5b7b0ddfa4566160e046a2ddc994210765cc5666c
-size 1744056320

strasbourg/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:79e844ddcd2165d51442270d908d2a4fd7633f9b7b78ed6f419101078f5f1393
-size 122433536

stuttgart/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4668398cf422f320d56d34fc6b241d0147938afa93aca422f6e5f689278e333b
-size 166211584

switzerland/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:44f257d474dd1209c3bec4d25fc42718b9b21345aa199bca61072a51ce74447c
-size 345255936

zurich/test/index.duckdb

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b0af6046aa20a24203745b1f25f16256f8325df30f821446026f1172b67c5804
-size 119287808