Delete fair_reference

fair_reference/train-00000-of-00002.parquet

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:aec069c1bdb043cdf993de124a5efa19e1e537259e5cf102caeb55230c8195f5
-size 27613192

fair_reference/train-00001-of-00002.parquet

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9267ca374a7ef3309279f691dcc165da40315665edf27258538fddead6899219
-size 27573459