Update parquet files

GonzaloA--fake_news/parquet-test.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5fd1a3ca526ea0539f718613e352eebb947f2948fd43549e2becbaf2a76f03c4
-size 13070753
+oid sha256:1f34a71018d51feda81fc657432c3287c3b09af6b5a3b1b67a945938d1a57999
+size 13044162

GonzaloA--fake_news/parquet-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:83bc7f57351f52499789579a1b21fee2687438f9cdafe991af517de1f2d17d85
-size 38833346
+oid sha256:13f6fccc352958149aa1c752f2ad8acd054d5331092c322fb0b0e7b9e53b29d3
+size 38790951

GonzaloA--fake_news/parquet-validation.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3970eb4fcced0dc5e4fd5e0f4b4cb7e0914935e61a4e3d510b399dabe2766179
-size 13021473
+oid sha256:ebb16798a2dee69558495c3641a68cdab738dd190e464ae50d288b5013c5e84a
+size 12986224