remove old datasets

data/wmt/dev/de.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:eda8d6aeca141a8c34e032f659c8a892e6c77604300381a855264c72bb30473a
-size 367992

data/wmt/dev/en.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:147d0f564316c1d0780bd0af0a355d4656b74a19fa0352cee23dee42db05ff3c
-size 368183

data/wmt/test_2014/de.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:b94aa0ed447f0133dddc54498a42e73ee021bb81c89c8ecfd798bd65fd8066ce
-size 373427

data/wmt/test_2014/en.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:372c75cf8b18dbf0c64aa0c4ab4c93fb4bfa241052801f6ed5a42530b5963ff0
-size 374467

data/wmt/test_2019/de.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:d70113241fabd3b6c8127ebbe3601e5f1e378615c176166c14e335277d5220d3
-size 273950

data/wmt/test_2019/en.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:b4f1cacf7555ac17cd9ce6ebac67b373215c3705db32c9c69bba78e7cab8624c
-size 264962

data/wmt/train/de.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:ed11bc799e51fc0b0eafc03e2a01ddfdc606b36453679e0470167f37c8ee130e
-size 581073607

data/wmt/train/en.jsonl.bz2

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-version https://git-lfs.github.com/spec/v1
-oid sha256:f922f44e79e951910e407a8c0b449b1a53a05e32e34b8bb04ba10134184e1b09
-size 565677111