Update parquet files

cw1521--ember2018-malware/json-test.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f5741fdb4c428c7553df1acccbf8592f27c9004426acec5c60c68065c7d7c51c
+size 39845673

cw1521--ember2018-malware/json-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:734be7c22867396ac29b072b57206cbfe2c7980b9364c9facc6e10de6aa9f54e
-size 2399
+oid sha256:c5ade848c2454bdab55c4f613c70882fc11b9a9c388e36e24ce187a4e086d024
+size 36594854