remove old data files

data/dev/dev-00000-of-00002.parquet

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6e406f10f44909a23882a4a940922513172f0527cfd9ddeb895f9b716c3278e3
-size 1006982575

data/dev/dev-00001-of-00002.parquet

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d45a40a1a7fa252482d71567661299c902ed5eb2fa3cecf5374b39ef5a5ef056
-size 63663020

data/test-00000-of-00001.parquet

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8d6607eeea596fcddd054a630c91709bce144fcd05a45ed7d9edef03eed1b9ce
-size 803812573

data/test/test-00000-of-00001.parquet

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c8e5d5c32612cda0c93ae3f526fcde8636cac520146a8d5987faf80f9b37e292
-size 338340758