Adding new iteration of the dataset files.

Update consists of removing empty sections from articles, and removing empty lines at the end of files.

data/test.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ea8749b628b7976384d31f3b5c091666ecb55e79d40109ba820e6954d5dacf25
-size 9336683
+oid sha256:8f9c2c7e9d134b6012ed3da274462e2770d15385788e9b24608139d0c1c6dd42
+size 9297914

data/train.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:da3a49947115282602a5dab889953472c8c29370e7e1091eb35d9d64a67ab5bb
-size 93382931
+oid sha256:46016d0244877d4ea34117e96ef2553bfdcf7fd61e6b381e79b1f5163ee72163
+size 93061096

data/validation.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1e04d49112233742b960567c1184165b635b2057e65840eadc09fde8713d787e
-size 9355777
+oid sha256:d023641fb6556cd9bd3226fe8bc6c4dab916e0e24dac9fb83ca59bc108b63b29
+size 9317338