remove orig id from mix

var-01/train_mix.jsonl

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4a56933a6a2b83e1e4f053ea16849a0b799435735898102d448376924c519c1d
-size 36630952
+oid sha256:606e2c9e13aff3717846a406439538ad8cd4f322cccbe12b7084a64b39f47b04
+size 36558351

var-02/train_mix.jsonl

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6ff9cb87696e5c04dc5077fea046cff2a4871d4b639b811d972dc121cbc68a7d
-size 36622294
+oid sha256:8853e5ad2704b19f6182d72dbac71e2df9a8a5c202f2a370e015c55100433bd4
+size 36549717

var-03/train_mix.jsonl

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:271296bb88688a196949cf502a6443f019db5b015dd766091f7e852f351dfd9c
-size 36627556
+oid sha256:7205e48eac04f456273f23b5a3318fd52ec66b9449dbce525cbf9d1d7159f0d7
+size 36554979

var-04/train_mix.jsonl

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:792fa1f2749b7defb0f53d34cc75bdd0a0c62328a7ce8f3664c3c510d8780fb6
-size 36123408
+oid sha256:9d73eaf40dbe2098896a0cb2d906268e79fadf9bb256f3942ec7867dd89cf239
+size 36052701

var-05/train_mix.jsonl

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ee8ff70edc707211b381f56f744cfc05e70692d0fb12d6eb2f454d4abb8d5656
-size 36118591
+oid sha256:62a0cdca41234ecac7cad99c781513a7cd7a8533e36cb00b50dc4f036ce49e6b
+size 36047884